{"product_id":"pentair-sr400na-max-e-therm-natural-gas-pool-and-spa-heater","title":"PENTAIR 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\u003ePentair 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\u003ePentair\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\u003eSta-Rite Max-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\u003ePentair 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\u003ePentair 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":48867135324409,"sku":"SR400NA","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0812\/1810\/9689\/files\/MaxEThermHeater_480x_600x600_456c6b9f-0d22-4783-9035-2bc21b5280a2.jpg?v=1787271639","url":"https:\/\/poolave.com\/es\/products\/pentair-sr400na-max-e-therm-natural-gas-pool-and-spa-heater","provider":"PoolAve ","version":"1.0","type":"link"}