{"product_id":"pentair-sr400hd-max-e-therm-pool-and-spa-heater","title":"PENTAIR SR400HD NATURAL GAS POOL \u0026 SPA HEATER – 400K BTU, CUPRO-NICKEL HEAT EXCHANGER","description":"\u003cp\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 26\" W x 26\" H x 30\" D\u003cbr\u003e\u003cstrong\u003eHeating Capacity:\u003c\/strong\u003e 400,000 BTU\u003cbr\u003e\u003cstrong\u003eFuel Type:\u003c\/strong\u003e Natural Gas\u003cbr\u003e\u003cstrong\u003eHeat Exchanger Tubing:\u003c\/strong\u003e Cupro-Nickel\u003cbr\u003e\u003cstrong\u003eWater Flow Rate:\u003c\/strong\u003e 40-120 GPM\u003cbr\u003e\u003cstrong\u003eVoltage:\u003c\/strong\u003e 120V \/ 240V \/ 60 Hz \/ 1 Phase\u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 138 lbs\u003cbr\u003e\u003cstrong\u003eCertification:\u003c\/strong\u003e CSA\u003c\/p\u003e\u003cp\u003eThe \u003cstrong\u003ePentair SR400HD Max-E-Therm Pool \u0026amp; Spa Heater\u003c\/strong\u003e delivers \u003cstrong\u003e400,000 BTU\u003c\/strong\u003e in the heavy-duty configuration - the HD designation means \u003cstrong\u003ecupro-nickel tubing\u003c\/strong\u003e rather than standard copper.\u003c\/p\u003e\u003cp\u003eThat matters for salt-chlorinated pools and any water chemistry that runs aggressive. Copper heat exchangers corrode under those conditions; cupro-nickel does not, and it is the reason the HD and ASME HD models exist as a separate line.\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. Pentair rates the optional bypass valve as cutting yearly operating costs by up to 35%.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e400,000 BTU heating capacity\u003c\/li\u003e\n\u003cli\u003eNatural Gas\u003c\/li\u003e\n\u003cli\u003eHeavy-duty cupro-nickel tubing for salt water and aggressive chemistry\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\u003e40-120 GPM water flow rate\u003c\/li\u003e\n\u003cli\u003eOptional bypass valve reduces yearly operating cost up to 35%\u003c\/li\u003e\n\u003cli\u003eCompact 138 lb cabinet\u003c\/li\u003e\n\u003cli\u003eCSA certified\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\u003eSR400HD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eSta-Rite Max-E-Therm HD\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\u003eHeat Exchanger Tubing\u003c\/td\u003e\n\u003ctd\u003eCupro-Nickel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWater Flow Rate\u003c\/td\u003e\n\u003ctd\u003e40-120 GPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e26\" W x 26\" H x 30\" D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCabinet Dimensions\u003c\/td\u003e\n\u003ctd\u003e25.15\" W x 30.03\" H x 31.69\" D\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\u003eCertification\u003c\/td\u003e\n\u003ctd\u003eCSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e2 Years (Professional Installation Required)\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 SR400HD Max-E-Therm Pool \u0026amp; Spa Heater\u003c\/li\u003e\n\u003cli\u003eCupro-nickel heat 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 SR400HD\u003c\/strong\u003e pairs 400,000 BTU with cupro-nickel tubing and flame-strength ignition monitoring - the Max-E-Therm to specify for salt pools and demanding water chemistry.\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":48867141550329,"sku":"SR400HD","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0812\/1810\/9689\/files\/MaxEThermHeater_480x_600x600_96cfd1bb-a0f2-4b4b-b324-7fbc282193d8.jpg?v=1787271731","url":"https:\/\/poolave.com\/es\/products\/pentair-sr400hd-max-e-therm-pool-and-spa-heater","provider":"PoolAve ","version":"1.0","type":"link"}