{"product_id":"pentair-460737-mastertemp-propane-pool-and-spa-heater-400k-btu","title":"PENTAIR MASTERTEMP 460737 LOW NOX PROPANE 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 Propane\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 460737 MasterTemp Propane Pool \u0026amp; Spa Heater\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\u003ePropane\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\u003e460737\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\u003ePropane\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 460737 MasterTemp Propane 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 460737 MasterTemp\u003c\/strong\u003e delivers 400,000 BTU at 84% efficiency - the fastest heat-up in the residential MasterTemp line, on propane.\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":48867136405753,"sku":"460737","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0812\/1810\/9689\/files\/mastertemp_600x600_2f2d44b5-04a1-4d89-a6f1-e7ecf0949a44.png?v=1787271658","url":"https:\/\/poolave.com\/products\/pentair-460737-mastertemp-propane-pool-and-spa-heater-400k-btu","provider":"PoolAve ","version":"1.0","type":"link"}