{"product_id":"pentair-sta-rite-max-e-therm-400-hd-natural-gas-pool-spa-heater-sr400hd","title":"Pentair Sta-Rite Max-E-Therm 400 HD Natural Gas Pool \u0026 Spa Heater | SR400HD","description":"\u003ch2\u003ePentair Sta-Rite Max-E-Therm 400 HD Natural Gas Pool \u0026amp; Spa Heater | SR400HD\u003c\/h2\u003e\n\u003cp\u003ePentair Sta-Rite Max-E-Therm 400 HD natural gas pool and spa heater with cupro-nickel exchanger, digital controls, and 400,000 BTU output.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e400,000 BTU natural gas heater for fast pool and spa heat-up.\u003c\/li\u003e\n  \u003cli\u003eHD model with cupro-nickel heat exchanger for tougher water conditions.\u003c\/li\u003e\n  \u003cli\u003eDigital controls for simple temperature adjustment and monitoring.\u003c\/li\u003e\n  \u003cli\u003e120\/240 VAC operation for standard equipment-pad power setups.\u003c\/li\u003e\n  \u003cli\u003eHeavy-duty Max-E-Therm platform for higher-demand installations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe Pentair Sta-Rite SR400HD is the heavy-duty Max-E-Therm 400 natural gas heater made for pool and spa systems that need serious heat output and a more durable exchanger than the standard version. With 400,000 BTU capacity, digital controls, and a cupro-nickel heat exchanger, it is built for fast recovery and longer-term durability in tougher water conditions. This is the HD natural gas model, not the standard SR400NA.\u003c\/p\u003e\n\n\u003ch3\u003ePro Tip\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, verify gas line sizing, electrical service, installation clearances, and water chemistry. A heater this size should be installed and serviced by a qualified professional.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation Tips\u003c\/h3\u003e\n\u003cp\u003eInstall only on a properly prepared pad with the required service and venting clearances. Confirm natural gas supply, voltage, and circulation requirements before startup, and follow the Pentair installation manual exactly.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":42389804810325,"sku":"SR400HD","price":4130.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0105\/0837\/0005\/files\/sr400hd_1__83030.1597171304.386.513__38135__24478.jpg?v=1775774640","url":"https:\/\/www.epoolsupply.com\/products\/pentair-sta-rite-max-e-therm-400-hd-natural-gas-pool-spa-heater-sr400hd","provider":"ePoolSupply","version":"1.0","type":"link"}