{"title":"PENTAIR POOL HEATERS","description":"\u003cp\u003eBrowse high-performance Pentair pool and spa heaters designed for fast heating, energy efficiency, and reliable temperature control. Shop natural gas and propane pool heaters including the trusted Pentair MasterTemp series for residential pools and spas. Ideal for extending swim season and enjoying warm water year-round.\u003c\/p\u003e","products":[{"product_id":"pentair-mastertemp-400k-btu-natural-gas-pool-spa-heater-460736","title":"PENTAIR MASTERTEMP 460736 LOW NOX NATURAL GAS POOL \u0026 SPA HEATER – 400K BTU, COPPER HEAT EXCHANGER","description":"\u003cp\u003e\u003cstrong\u003eHeating Capacity:\u003c\/strong\u003e 400,000 BTU\u003cbr\u003e\u003cstrong\u003eThermal Efficiency:\u003c\/strong\u003e 84%\u003cbr\u003e\u003cstrong\u003eFuel Type:\u003c\/strong\u003e Natural Gas\u003cbr\u003e\u003cstrong\u003eHeat Exchanger:\u003c\/strong\u003e Copper\u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 136 lbs\u003cbr\u003e\u003cstrong\u003eEmissions:\u003c\/strong\u003e Certified Low NOx\u003cbr\u003e\u003cstrong\u003eDisplay:\u003c\/strong\u003e Rotating Digital\u003cbr\u003e\u003cstrong\u003eExterior:\u003c\/strong\u003e Rustproof\u003c\/p\u003e\u003cp\u003eThe \u003cstrong\u003ePentair MasterTemp 400K BTU Natural Gas Pool \u0026amp; Spa Heater (460736)\u003c\/strong\u003e delivers \u003cstrong\u003e400,000 BTU\u003c\/strong\u003e at \u003cstrong\u003e84% thermal efficiency\u003c\/strong\u003e - the highest output in Pentair's residential MasterTemp line.\u003c\/p\u003e\u003cp\u003e400,000 BTU is what you specify when heat-up time matters: large pools, pool and spa combinations where the spa needs to be ready quickly, and any installation where the owner will not tolerate waiting hours for temperature. At 136 lbs the cabinet is no larger than the 300K unit, so the extra capacity costs nothing in footprint.\u003c\/p\u003e\u003cp\u003eThe MasterTemp reputation rests on fast light-off and quiet operation - quiet enough to sit near patios and outdoor living spaces. A \u003cstrong\u003erotating digital display\u003c\/strong\u003e can be turned to face whichever direction the heater is installed, indicator lights show operating status at a glance, and a built-in manual gas shutoff simplifies service. Certified for low NOx emissions.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e400,000 BTU heating capacity\u003c\/li\u003e\n\u003cli\u003e84% thermal efficiency\u003c\/li\u003e\n\u003cli\u003eNatural Gas\u003c\/li\u003e\n\u003cli\u003eCopper heat exchanger\u003c\/li\u003e\n\u003cli\u003eHighest output in the residential MasterTemp line\u003c\/li\u003e\n\u003cli\u003eFast heat-up for large pools and pool\/spa combinations\u003c\/li\u003e\n\u003cli\u003eSame cabinet footprint as smaller MasterTemp models\u003c\/li\u003e\n\u003cli\u003eCertified low NOx emissions\u003c\/li\u003e\n\u003cli\u003eRotating digital display for any installation orientation\u003c\/li\u003e\n\u003cli\u003eIndicator lights for at-a-glance operation monitoring\u003c\/li\u003e\n\u003cli\u003eBuilt-in manual gas shutoff for service\u003c\/li\u003e\n\u003cli\u003eCompact, quiet design\u003c\/li\u003e\n\u003cli\u003eRustproof exterior construction\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecification\u003c\/td\u003e\n\u003ctd\u003eDetails\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003ePentair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e460736\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eMasterTemp 400\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuel Type\u003c\/td\u003e\n\u003ctd\u003eNatural Gas\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBTU Input\u003c\/td\u003e\n\u003ctd\u003e400,000 BTU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThermal Efficiency\u003c\/td\u003e\n\u003ctd\u003e84%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeat Exchanger\u003c\/td\u003e\n\u003ctd\u003eCopper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e136 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEmissions\u003c\/td\u003e\n\u003ctd\u003eCertified Low NOx\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplay\u003c\/td\u003e\n\u003ctd\u003eRotating Digital\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGas Shutoff\u003c\/td\u003e\n\u003ctd\u003eManual, Built In\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExterior\u003c\/td\u003e\n\u003ctd\u003eRustproof\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eWhat's Included\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePentair MasterTemp 400K BTU Natural Gas Pool \u0026amp; Spa Heater\u003c\/li\u003e\n\u003cli\u003eCopper heat exchanger assembly\u003c\/li\u003e\n\u003cli\u003eRotating digital display control\u003c\/li\u003e\n\u003cli\u003eInstallation and operation documentation\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe \u003cstrong\u003ePentair 460736 MasterTemp\u003c\/strong\u003e delivers 400,000 BTU at 84% efficiency - the fastest heat-up in the residential MasterTemp line, on natural gas.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eLearn more at Pentair:\u003c\/strong\u003e\u003cbr\u003e\u003ca href=\"https:\/\/www.pentair.com\/en-us\/products\/residential\/pool-spa-equipment\/pool-heaters\/mastertemp_heater.html\"\u003ehttps:\/\/www.pentair.com\/en-us\/products\/residential\/pool-spa-equipment\/pool-heaters\/mastertemp_heater.html\u003c\/a\u003e\u003c\/p\u003e\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48405898363129,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0812\/1810\/9689\/files\/pentairh1.png?v=1778115723"},{"product_id":"pentair-mastertemp-300k-btu-natural-gas-pool-spa-heater-460736-copy","title":"Pentair MasterTemp 300K BTU Natural Gas Pool \u0026 Spa Heater – 460736 (Copy)","description":"\u003cp\u003e\u003cstrong\u003eHeating Capacity:\u003c\/strong\u003e 300,000 BTU\u003cbr\u003e\u003cstrong\u003eThermal Efficiency:\u003c\/strong\u003e 84%\u003cbr\u003e\u003cstrong\u003eFuel Type:\u003c\/strong\u003e Natural Gas\u003cbr\u003e\u003cstrong\u003eHeat Exchanger:\u003c\/strong\u003e Copper\u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 136 lbs\u003cbr\u003e\u003cstrong\u003eEmissions:\u003c\/strong\u003e Certified Low NOx\u003cbr\u003e\u003cstrong\u003eDisplay:\u003c\/strong\u003e Rotating Digital\u003cbr\u003e\u003cstrong\u003eExterior:\u003c\/strong\u003e Rustproof\u003c\/p\u003e\u003cp\u003eThe \u003cstrong\u003ePentair MasterTemp 300K BTU Natural Gas Pool \u0026amp; Spa Heater\u003c\/strong\u003e delivers \u003cstrong\u003e300,000 BTU\u003c\/strong\u003e at \u003cstrong\u003e84% thermal efficiency\u003c\/strong\u003e - the step-up size for larger residential pools.\u003c\/p\u003e\u003cp\u003e300,000 BTU sits between the common 250K and the high-output 400K. It suits larger pools, pool and spa combinations that need faster spa recovery, and colder climates where a 250K unit would struggle to keep up in shoulder season.\u003c\/p\u003e\u003cp\u003eThe MasterTemp reputation rests on fast light-off and quiet operation - quiet enough to sit near patios and outdoor living spaces. A \u003cstrong\u003erotating digital display\u003c\/strong\u003e can be turned to face whichever direction the heater is installed, indicator lights show operating status at a glance, and a built-in manual gas shutoff simplifies service. Certified for low NOx emissions.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e300,000 BTU heating capacity\u003c\/li\u003e\n\u003cli\u003e84% thermal efficiency\u003c\/li\u003e\n\u003cli\u003eNatural Gas\u003c\/li\u003e\n\u003cli\u003eCopper heat exchanger\u003c\/li\u003e\n\u003cli\u003eSuited to larger pools and cooler climates\u003c\/li\u003e\n\u003cli\u003eCertified low NOx emissions\u003c\/li\u003e\n\u003cli\u003eRotating digital display for any installation orientation\u003c\/li\u003e\n\u003cli\u003eIndicator lights for at-a-glance operation monitoring\u003c\/li\u003e\n\u003cli\u003eBuilt-in manual gas shutoff for service\u003c\/li\u003e\n\u003cli\u003eCompact, quiet design\u003c\/li\u003e\n\u003cli\u003eRustproof exterior construction\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecification\u003c\/td\u003e\n\u003ctd\u003eDetails\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003ePentair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eMasterTemp 300\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuel Type\u003c\/td\u003e\n\u003ctd\u003eNatural Gas\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBTU Input\u003c\/td\u003e\n\u003ctd\u003e300,000 BTU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThermal Efficiency\u003c\/td\u003e\n\u003ctd\u003e84%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeat Exchanger\u003c\/td\u003e\n\u003ctd\u003eCopper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e136 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEmissions\u003c\/td\u003e\n\u003ctd\u003eCertified Low NOx\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplay\u003c\/td\u003e\n\u003ctd\u003eRotating Digital\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGas Shutoff\u003c\/td\u003e\n\u003ctd\u003eManual, Built In\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExterior\u003c\/td\u003e\n\u003ctd\u003eRustproof\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eWhat's Included\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePentair MasterTemp 300K BTU Natural Gas Pool \u0026amp; Spa Heater\u003c\/li\u003e\n\u003cli\u003eCopper heat exchanger assembly\u003c\/li\u003e\n\u003cli\u003eRotating digital display control\u003c\/li\u003e\n\u003cli\u003eInstallation and operation documentation\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe \u003cstrong\u003ePentair MasterTemp 300\u003c\/strong\u003e delivers 300,000 BTU at 84% efficiency - the step-up size for larger pools and cooler climates.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eLearn more at Pentair:\u003c\/strong\u003e\u003cbr\u003e\u003ca href=\"https:\/\/www.pentair.com\/en-us\/products\/residential\/pool-spa-equipment\/pool-heaters\/mastertemp_heater.html\"\u003ehttps:\/\/www.pentair.com\/en-us\/products\/residential\/pool-spa-equipment\/pool-heaters\/mastertemp_heater.html\u003c\/a\u003e\u003c\/p\u003e\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48405901508857,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0812\/1810\/9689\/files\/pentairh1.png?v=1778115723"},{"product_id":"pentair-mastertemp-250k-btu-natural-gas-pool-spa-heater-460736-copy-copy","title":"PENTAIR MASTERTEMP 460732 LOW NOX NATURAL GAS POOL \u0026 SPA HEATER – 250K BTU, COPPER HEAT EXCHANGER","description":"\u003cp\u003e\u003cstrong\u003eHeating Capacity:\u003c\/strong\u003e 250,000 BTU\u003cbr\u003e\u003cstrong\u003eThermal Efficiency:\u003c\/strong\u003e 84%\u003cbr\u003e\u003cstrong\u003eFuel Type:\u003c\/strong\u003e Natural Gas\u003cbr\u003e\u003cstrong\u003eHeat Exchanger:\u003c\/strong\u003e Copper\u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 133 lbs\u003cbr\u003e\u003cstrong\u003eEmissions:\u003c\/strong\u003e Certified Low NOx\u003cbr\u003e\u003cstrong\u003eDisplay:\u003c\/strong\u003e Rotating Digital\u003cbr\u003e\u003cstrong\u003eExterior:\u003c\/strong\u003e Rustproof\u003c\/p\u003e\u003cp\u003eThe \u003cstrong\u003ePentair MasterTemp 250K BTU Natural Gas Pool \u0026amp; Spa Heater (460732)\u003c\/strong\u003e delivers \u003cstrong\u003e250,000 BTU\u003c\/strong\u003e at \u003cstrong\u003e84% thermal efficiency\u003c\/strong\u003e - the most commonly specified size in Pentair's residential gas line.\u003c\/p\u003e\u003cp\u003e250,000 BTU is the sweet spot for a typical residential pool with an attached spa. It has enough output to bring a spa up to temperature in a reasonable time without the fuel waste and short-cycling that come from oversizing on a pool-only application.\u003c\/p\u003e\u003cp\u003eThe MasterTemp reputation rests on fast light-off and quiet operation - quiet enough to sit near patios and outdoor living spaces. A \u003cstrong\u003erotating digital display\u003c\/strong\u003e can be turned to face whichever direction the heater is installed, indicator lights show operating status at a glance, and a built-in manual gas shutoff simplifies service. Certified for low NOx emissions.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e250,000 BTU heating capacity\u003c\/li\u003e\n\u003cli\u003e84% thermal efficiency\u003c\/li\u003e\n\u003cli\u003eNatural Gas\u003c\/li\u003e\n\u003cli\u003eCopper heat exchanger\u003c\/li\u003e\n\u003cli\u003eWell suited to pool and spa combinations\u003c\/li\u003e\n\u003cli\u003eCertified low NOx emissions\u003c\/li\u003e\n\u003cli\u003eRotating digital display for any installation orientation\u003c\/li\u003e\n\u003cli\u003eIndicator lights for at-a-glance operation monitoring\u003c\/li\u003e\n\u003cli\u003eBuilt-in manual gas shutoff for service\u003c\/li\u003e\n\u003cli\u003eCompact, quiet design\u003c\/li\u003e\n\u003cli\u003eRustproof exterior construction\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecification\u003c\/td\u003e\n\u003ctd\u003eDetails\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003ePentair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e460732\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eMasterTemp 250\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuel Type\u003c\/td\u003e\n\u003ctd\u003eNatural Gas\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBTU Input\u003c\/td\u003e\n\u003ctd\u003e250,000 BTU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThermal Efficiency\u003c\/td\u003e\n\u003ctd\u003e84%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeat Exchanger\u003c\/td\u003e\n\u003ctd\u003eCopper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e133 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEmissions\u003c\/td\u003e\n\u003ctd\u003eCertified Low NOx\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplay\u003c\/td\u003e\n\u003ctd\u003eRotating Digital\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGas Shutoff\u003c\/td\u003e\n\u003ctd\u003eManual, Built In\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExterior\u003c\/td\u003e\n\u003ctd\u003eRustproof\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eWhat's Included\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePentair MasterTemp 250K BTU Natural Gas Pool \u0026amp; Spa Heater\u003c\/li\u003e\n\u003cli\u003eCopper heat exchanger assembly\u003c\/li\u003e\n\u003cli\u003eRotating digital display control\u003c\/li\u003e\n\u003cli\u003eInstallation and operation documentation\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe \u003cstrong\u003ePentair 460732 MasterTemp\u003c\/strong\u003e delivers 250,000 BTU at 84% efficiency - the workhorse size for residential pool and spa combinations on natural gas.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eLearn more at Pentair:\u003c\/strong\u003e\u003cbr\u003e\u003ca href=\"https:\/\/www.pentair.com\/en-us\/products\/residential\/pool-spa-equipment\/pool-heaters\/mastertemp_heater.html\"\u003ehttps:\/\/www.pentair.com\/en-us\/products\/residential\/pool-spa-equipment\/pool-heaters\/mastertemp_heater.html\u003c\/a\u003e\u003c\/p\u003e\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48405901771001,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0812\/1810\/9689\/files\/pentairh1.png?v=1778115723"},{"product_id":"pentair-mastertemp-200k-btu-natural-gas-pool-spa-heater-460736-copy-copy-copy","title":"Pentair MasterTemp 200K BTU Natural Gas Pool \u0026 Spa Heater – 460736","description":"\u003cp\u003e\u003cstrong\u003eHeating Capacity:\u003c\/strong\u003e 200,000 BTU\u003cbr\u003e\u003cstrong\u003eThermal Efficiency:\u003c\/strong\u003e 84%\u003cbr\u003e\u003cstrong\u003eFuel Type:\u003c\/strong\u003e Natural Gas\u003cbr\u003e\u003cstrong\u003eHeat Exchanger:\u003c\/strong\u003e Copper\u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 128 lbs\u003cbr\u003e\u003cstrong\u003eEmissions:\u003c\/strong\u003e Certified Low NOx\u003cbr\u003e\u003cstrong\u003eDisplay:\u003c\/strong\u003e Rotating Digital\u003cbr\u003e\u003cstrong\u003eExterior:\u003c\/strong\u003e Rustproof\u003c\/p\u003e\u003cp\u003eThe \u003cstrong\u003ePentair MasterTemp 200K BTU Natural Gas Pool \u0026amp; Spa Heater\u003c\/strong\u003e delivers \u003cstrong\u003e200,000 BTU\u003c\/strong\u003e at \u003cstrong\u003e84% thermal efficiency\u003c\/strong\u003e - the entry point into Pentair's mainstream residential gas heater line.\u003c\/p\u003e\u003cp\u003eAt 200,000 BTU it is right-sized for smaller pools, spa-only installations, and spillover spas where a 400K unit would short-cycle and waste fuel. At 128 lbs it is also the lightest full-size MasterTemp, which makes it the easiest to position on a finished pad.\u003c\/p\u003e\u003cp\u003eThe MasterTemp reputation rests on fast light-off and quiet operation - quiet enough to sit near patios and outdoor living spaces. A \u003cstrong\u003erotating digital display\u003c\/strong\u003e can be turned to face whichever direction the heater is installed, indicator lights show operating status at a glance, and a built-in manual gas shutoff simplifies service. Certified for low NOx emissions.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e200,000 BTU heating capacity\u003c\/li\u003e\n\u003cli\u003e84% thermal efficiency\u003c\/li\u003e\n\u003cli\u003eNatural Gas\u003c\/li\u003e\n\u003cli\u003eCopper heat exchanger\u003c\/li\u003e\n\u003cli\u003eRight-sized for smaller pools, spas, and spillover spas\u003c\/li\u003e\n\u003cli\u003eLightest full-size MasterTemp at 128 lbs\u003c\/li\u003e\n\u003cli\u003eCertified low NOx emissions\u003c\/li\u003e\n\u003cli\u003eRotating digital display for any installation orientation\u003c\/li\u003e\n\u003cli\u003eIndicator lights for at-a-glance operation monitoring\u003c\/li\u003e\n\u003cli\u003eBuilt-in manual gas shutoff for service\u003c\/li\u003e\n\u003cli\u003eCompact, quiet design\u003c\/li\u003e\n\u003cli\u003eRustproof exterior construction\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecification\u003c\/td\u003e\n\u003ctd\u003eDetails\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003ePentair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eMasterTemp 200\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuel Type\u003c\/td\u003e\n\u003ctd\u003eNatural Gas\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBTU Input\u003c\/td\u003e\n\u003ctd\u003e200,000 BTU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThermal Efficiency\u003c\/td\u003e\n\u003ctd\u003e84%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeat Exchanger\u003c\/td\u003e\n\u003ctd\u003eCopper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e128 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEmissions\u003c\/td\u003e\n\u003ctd\u003eCertified Low NOx\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplay\u003c\/td\u003e\n\u003ctd\u003eRotating Digital\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGas Shutoff\u003c\/td\u003e\n\u003ctd\u003eManual, Built In\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExterior\u003c\/td\u003e\n\u003ctd\u003eRustproof\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eWhat's Included\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePentair MasterTemp 200K BTU Natural Gas Pool \u0026amp; Spa Heater\u003c\/li\u003e\n\u003cli\u003eCopper heat exchanger assembly\u003c\/li\u003e\n\u003cli\u003eRotating digital display control\u003c\/li\u003e\n\u003cli\u003eInstallation and operation documentation\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe \u003cstrong\u003ePentair MasterTemp 200\u003c\/strong\u003e delivers 200,000 BTU at 84% efficiency in the lightest, most compact full-size MasterTemp cabinet - ideal for smaller pools and spa applications.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eLearn more at Pentair:\u003c\/strong\u003e\u003cbr\u003e\u003ca href=\"https:\/\/www.pentair.com\/en-us\/products\/residential\/pool-spa-equipment\/pool-heaters\/mastertemp_heater.html\"\u003ehttps:\/\/www.pentair.com\/en-us\/products\/residential\/pool-spa-equipment\/pool-heaters\/mastertemp_heater.html\u003c\/a\u003e\u003c\/p\u003e\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48405902295289,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0812\/1810\/9689\/files\/pentairh1.png?v=1778115723"},{"product_id":"pentair-mastertemp-250k-btu-natural-gas-high-performance-pool-spa-heater-460806","title":"PENTAIR MASTERTEMP 460806 LOW NOX HIGH PERFORMANCE NATURAL GAS POOL \u0026 SPA HEATER – 250K BTU, CUPRO-NICKEL HEAT EXCHANGER","description":"\u003cp\u003e\u003cstrong\u003eHeating Capacity:\u003c\/strong\u003e 250,000 BTU\u003cbr\u003e\u003cstrong\u003eThermal Efficiency:\u003c\/strong\u003e 82%\u003cbr\u003e\u003cstrong\u003eFuel Type:\u003c\/strong\u003e Natural Gas\u003cbr\u003e\u003cstrong\u003eHeat Exchanger:\u003c\/strong\u003e Cupro-Nickel (Heavy Duty)\u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 136 lbs\u003cbr\u003e\u003cstrong\u003eEmissions:\u003c\/strong\u003e Certified Low NOx\u003cbr\u003e\u003cstrong\u003eDisplay:\u003c\/strong\u003e Rotating Digital\u003cbr\u003e\u003cstrong\u003eExterior:\u003c\/strong\u003e Rustproof\u003c\/p\u003e\u003cp\u003eThe \u003cstrong\u003ePentair MasterTemp 250K BTU High Performance Pool \u0026amp; Spa Heater (460806)\u003c\/strong\u003e delivers \u003cstrong\u003e250,000 BTU\u003c\/strong\u003e with the \u003cstrong\u003eheavy-duty cupro-nickel heat exchanger\u003c\/strong\u003e rather than standard copper.\u003c\/p\u003e\u003cp\u003eThat is the whole point of the HD designation. Copper heat exchangers corrode in salt-chlorinated water and under aggressive chemistry; cupro-nickel does not. If the pool runs a salt system, sits in a hard-water region, or sees chemistry that swings, the HD version is the one that survives.\u003c\/p\u003e\u003cp\u003eThe trade is a small efficiency cost - \u003cstrong\u003e82% thermal efficiency\u003c\/strong\u003e against 84% for the standard copper version - easily outweighed by not replacing an exchanger every few seasons. Everything else carries over: fast light-off, quiet operation, a \u003cstrong\u003erotating digital display\u003c\/strong\u003e that faces whichever way the unit is installed, and a built-in manual gas shutoff.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e250,000 BTU heating capacity\u003c\/li\u003e\n\u003cli\u003e82% thermal efficiency\u003c\/li\u003e\n\u003cli\u003eNatural Gas\u003c\/li\u003e\n\u003cli\u003eHeavy-duty cupro-nickel heat exchanger\u003c\/li\u003e\n\u003cli\u003eBuilt for salt-chlorinated and aggressive water chemistry\u003c\/li\u003e\n\u003cli\u003eWell suited to pool and spa combinations\u003c\/li\u003e\n\u003cli\u003eCertified low NOx emissions\u003c\/li\u003e\n\u003cli\u003eRotating digital display for any installation orientation\u003c\/li\u003e\n\u003cli\u003eIndicator lights for at-a-glance operation monitoring\u003c\/li\u003e\n\u003cli\u003eBuilt-in manual gas shutoff for service\u003c\/li\u003e\n\u003cli\u003eCompact, quiet design\u003c\/li\u003e\n\u003cli\u003eRustproof exterior construction\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecification\u003c\/td\u003e\n\u003ctd\u003eDetails\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003ePentair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e460806\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eMasterTemp 250HD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuel Type\u003c\/td\u003e\n\u003ctd\u003eNatural Gas\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBTU Input\u003c\/td\u003e\n\u003ctd\u003e250,000 BTU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThermal Efficiency\u003c\/td\u003e\n\u003ctd\u003e82%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeat Exchanger\u003c\/td\u003e\n\u003ctd\u003eCupro-Nickel (Heavy Duty)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e136 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEmissions\u003c\/td\u003e\n\u003ctd\u003eCertified Low NOx\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplay\u003c\/td\u003e\n\u003ctd\u003eRotating Digital\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGas Shutoff\u003c\/td\u003e\n\u003ctd\u003eManual, Built In\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExterior\u003c\/td\u003e\n\u003ctd\u003eRustproof\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eWhat's Included\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePentair MasterTemp 250K BTU High Performance Pool \u0026amp; Spa Heater\u003c\/li\u003e\n\u003cli\u003eCupro-nickel heat exchanger assembly\u003c\/li\u003e\n\u003cli\u003eRotating digital display control\u003c\/li\u003e\n\u003cli\u003eInstallation and operation documentation\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe \u003cstrong\u003ePentair 460806 MasterTemp HD\u003c\/strong\u003e is the 250,000 BTU MasterTemp built for salt pools - cupro-nickel exchanger, same controls, far longer life in hard water.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eLearn more at Pentair:\u003c\/strong\u003e\u003cbr\u003e\u003ca href=\"https:\/\/www.pentair.com\/en-us\/products\/residential\/pool-spa-equipment\/pool-heaters\/mastertemp_heater.html\"\u003ehttps:\/\/www.pentair.com\/en-us\/products\/residential\/pool-spa-equipment\/pool-heaters\/mastertemp_heater.html\u003c\/a\u003e\u003c\/p\u003e\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48405913403641,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0812\/1810\/9689\/files\/pentairh1.png?v=1778115723"},{"product_id":"pentair-mastertemp-250k-btu-natural-gas-high-performance-pool-spa-heater-460805-copy-copy","title":"PENTAIR MASTERTEMP 460805 LOW NOX HIGH PERFORMANCE NATURAL GAS POOL \u0026 SPA HEATER – 400K BTU, CUPRO-NICKEL HEAT EXCHANGER","description":"\u003cp\u003e\u003cstrong\u003eHeating Capacity:\u003c\/strong\u003e 400,000 BTU\u003cbr\u003e\u003cstrong\u003eThermal Efficiency:\u003c\/strong\u003e 82%\u003cbr\u003e\u003cstrong\u003eFuel Type:\u003c\/strong\u003e Natural Gas\u003cbr\u003e\u003cstrong\u003eHeat Exchanger:\u003c\/strong\u003e Cupro-Nickel (Heavy Duty)\u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 136 lbs\u003cbr\u003e\u003cstrong\u003eEmissions:\u003c\/strong\u003e Certified Low NOx\u003cbr\u003e\u003cstrong\u003eDisplay:\u003c\/strong\u003e Rotating Digital\u003cbr\u003e\u003cstrong\u003eExterior:\u003c\/strong\u003e Rustproof\u003c\/p\u003e\u003cp\u003eThe \u003cstrong\u003ePentair MasterTemp 400K BTU High Performance Pool \u0026amp; 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Copper heat exchangers corrode in salt-chlorinated water and under aggressive chemistry; cupro-nickel does not. If the pool runs a salt system, sits in a hard-water region, or sees chemistry that swings, the HD version is the one that survives.\u003c\/p\u003e\u003cp\u003eThe trade is a small efficiency cost - \u003cstrong\u003e82% thermal efficiency\u003c\/strong\u003e against 84% for the standard copper version - easily outweighed by not replacing an exchanger every few seasons. Everything else carries over: fast light-off, quiet operation, a \u003cstrong\u003erotating digital display\u003c\/strong\u003e that faces whichever way the unit is installed, and a built-in manual gas shutoff.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e400,000 BTU heating capacity\u003c\/li\u003e\n\u003cli\u003e82% thermal efficiency\u003c\/li\u003e\n\u003cli\u003eNatural Gas\u003c\/li\u003e\n\u003cli\u003eHeavy-duty cupro-nickel heat exchanger\u003c\/li\u003e\n\u003cli\u003eBuilt for salt-chlorinated and aggressive water chemistry\u003c\/li\u003e\n\u003cli\u003eHighest output HD MasterTemp\u003c\/li\u003e\n\u003cli\u003eCertified low NOx emissions\u003c\/li\u003e\n\u003cli\u003eRotating digital display for any installation orientation\u003c\/li\u003e\n\u003cli\u003eIndicator lights for at-a-glance operation monitoring\u003c\/li\u003e\n\u003cli\u003eBuilt-in manual gas shutoff for service\u003c\/li\u003e\n\u003cli\u003eCompact, quiet design\u003c\/li\u003e\n\u003cli\u003eRustproof exterior construction\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecification\u003c\/td\u003e\n\u003ctd\u003eDetails\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003ePentair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e460805\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eMasterTemp 400HD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuel Type\u003c\/td\u003e\n\u003ctd\u003eNatural Gas\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBTU Input\u003c\/td\u003e\n\u003ctd\u003e400,000 BTU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThermal Efficiency\u003c\/td\u003e\n\u003ctd\u003e82%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeat Exchanger\u003c\/td\u003e\n\u003ctd\u003eCupro-Nickel (Heavy Duty)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e136 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEmissions\u003c\/td\u003e\n\u003ctd\u003eCertified Low NOx\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplay\u003c\/td\u003e\n\u003ctd\u003eRotating Digital\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGas Shutoff\u003c\/td\u003e\n\u003ctd\u003eManual, Built In\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExterior\u003c\/td\u003e\n\u003ctd\u003eRustproof\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eWhat's Included\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePentair MasterTemp 400K BTU High Performance Pool \u0026amp; Spa Heater\u003c\/li\u003e\n\u003cli\u003eCupro-nickel heat exchanger assembly\u003c\/li\u003e\n\u003cli\u003eRotating digital display control\u003c\/li\u003e\n\u003cli\u003eInstallation and operation documentation\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe \u003cstrong\u003ePentair 460805 MasterTemp HD\u003c\/strong\u003e is the 400,000 BTU MasterTemp built for salt pools - cupro-nickel exchanger, same controls, far longer life in hard water.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eLearn more at Pentair:\u003c\/strong\u003e\u003cbr\u003e\u003ca href=\"https:\/\/www.pentair.com\/en-us\/products\/residential\/pool-spa-equipment\/pool-heaters\/mastertemp_heater.html\"\u003ehttps:\/\/www.pentair.com\/en-us\/products\/residential\/pool-spa-equipment\/pool-heaters\/mastertemp_heater.html\u003c\/a\u003e\u003c\/p\u003e\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48405916287225,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0812\/1810\/9689\/files\/pentairh1.png?v=1778115723"},{"product_id":"sta-rite-max-e-therm-400k-btu-natural-gas-pool-spa-heater-sr400na","title":"STA-RITE MAX-E-THERM SR400NA LOW NOX NATURAL GAS POOL \u0026 SPA HEATER – 400K BTU, COPPER HEAT EXCHANGER","description":"\u003cp\u003e\u003cstrong\u003eHeating Capacity:\u003c\/strong\u003e 400,000 BTU\u003cbr\u003e\u003cstrong\u003eThermal Efficiency:\u003c\/strong\u003e 84%\u003cbr\u003e\u003cstrong\u003eFuel Type:\u003c\/strong\u003e Natural Gas\u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 138 lbs\u003cbr\u003e\u003cstrong\u003eVoltage:\u003c\/strong\u003e 120V \/ 240V \/ 60 Hz \/ 1 Phase\u003cbr\u003e\u003cstrong\u003eIgnition:\u003c\/strong\u003e Advanced Control Module\u003cbr\u003e\u003cstrong\u003eAutomation:\u003c\/strong\u003e Pentair IntelliCenter Compatible\u003cbr\u003e\u003cstrong\u003eEmissions:\u003c\/strong\u003e Low NOx\u003c\/p\u003e\u003cp\u003eThe \u003cstrong\u003eSta-Rite SR400NA Max-E-Therm Natural Gas Pool \u0026amp; Spa Heater\u003c\/strong\u003e delivers \u003cstrong\u003e400,000 BTU\u003c\/strong\u003e at \u003cstrong\u003e84% thermal efficiency\u003c\/strong\u003e - the high-output size in the Max-E-Therm range.\u003c\/p\u003e\u003cp\u003eMax-E-Therm is built around fast heat-up in a compact cabinet, and 400,000 BTU is what you specify when recovery time matters: large pools, pool and spa combinations, and installations where the owner will not wait hours for temperature.\u003c\/p\u003e\u003cp\u003eAn \u003cstrong\u003eadvanced ignition control module with flame strength sensor\u003c\/strong\u003e monitors combustion quality rather than simply confirming a flame is present, which catches degrading burner performance before it becomes a failure. A digital control with full-text display makes setup and diagnostics readable, and the unit connects to the \u003cstrong\u003ePentair IntelliCenter\u003c\/strong\u003e automation system.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e400,000 BTU heating capacity\u003c\/li\u003e\n\u003cli\u003e84% thermal efficiency\u003c\/li\u003e\n\u003cli\u003eNatural Gas\u003c\/li\u003e\n\u003cli\u003eAdvanced ignition control module with flame strength sensor\u003c\/li\u003e\n\u003cli\u003eDigital control with full-text display and menu-driven interface\u003c\/li\u003e\n\u003cli\u003ePentair IntelliCenter automation compatible\u003c\/li\u003e\n\u003cli\u003eFast heat-up for large pools and pool\/spa combinations\u003c\/li\u003e\n\u003cli\u003eCompact 138 lb cabinet\u003c\/li\u003e\n\u003cli\u003eLow NOx emissions\u003c\/li\u003e\n\u003cli\u003e120V \/ 240V single-phase\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecification\u003c\/td\u003e\n\u003ctd\u003eDetails\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eSta-Rite (Pentair)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003eSR400NA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eMax-E-Therm 400\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuel Type\u003c\/td\u003e\n\u003ctd\u003eNatural Gas\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBTU Input\u003c\/td\u003e\n\u003ctd\u003e400,000 BTU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThermal Efficiency\u003c\/td\u003e\n\u003ctd\u003e84%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e138 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e120V \/ 240V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhase\u003c\/td\u003e\n\u003ctd\u003eSingle Phase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency\u003c\/td\u003e\n\u003ctd\u003e60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIgnition\u003c\/td\u003e\n\u003ctd\u003eAdvanced Control Module with Flame Strength Sensor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAutomation\u003c\/td\u003e\n\u003ctd\u003ePentair IntelliCenter Compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEmissions\u003c\/td\u003e\n\u003ctd\u003eLow NOx\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eWhat's Included\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSta-Rite SR400NA Max-E-Therm Natural Gas Pool \u0026amp; Spa Heater\u003c\/li\u003e\n\u003cli\u003eHeat exchanger assembly\u003c\/li\u003e\n\u003cli\u003eAdvanced ignition control module\u003c\/li\u003e\n\u003cli\u003eDigital control with full-text display\u003c\/li\u003e\n\u003cli\u003eInstallation and operation documentation\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe \u003cstrong\u003eSta-Rite SR400NA\u003c\/strong\u003e delivers 400,000 BTU at 84% efficiency with flame-strength ignition monitoring - the fast-recovery Max-E-Therm for large pools.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eLearn more at Pentair:\u003c\/strong\u003e\u003cbr\u003e\u003ca href=\"https:\/\/www.pentair.com\/en-us\/pool-spa\/products\/heaters-heat-pumps\/max-e-therm-heater.html\"\u003ehttps:\/\/www.pentair.com\/en-us\/pool-spa\/products\/heaters-heat-pumps\/max-e-therm-heater.html\u003c\/a\u003e\u003c\/p\u003e\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48405936242937,"sku":null,"price":9999.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0812\/1810\/9689\/files\/star.png?v=1778859670"}],"url":"https:\/\/poolave.com\/collections\/pentair-pool-heaters.oembed","provider":"PoolAve ","version":"1.0","type":"link"}