{"product_id":"pentair-max-e-therm-sr400na","title":"Pentair Sta-Rite Max-E-Therm 400K BTU Heater SR400NA – Natural Gas Pool \u0026 Spa Heating","description":"\u003cp data-start=\"600\" data-end=\"954\"\u003eThe \u003cstrong data-start=\"604\" data-end=\"704\"\u003e\u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003ePentair\u003c\/span\u003e\u003c\/span\u003e Sta-Rite Max-E-Therm SR400NA Natural Gas Pool \u0026amp; Spa Heater\u003c\/strong\u003e delivers \u003cstrong data-start=\"714\" data-end=\"758\"\u003epowerful 400,000 BTU heating performance\u003c\/strong\u003e in a compact, energy-efficient design. Built for fast heat-up times and reliable operation, Max-E-Therm heaters are trusted for both residential and light commercial pool and spa installations.\u003c\/p\u003e\n\u003cp data-start=\"956\" data-end=\"1337\"\u003eFeaturing a \u003cstrong data-start=\"968\" data-end=\"1009\"\u003ehigh-efficiency copper heat exchanger\u003c\/strong\u003e, advanced digital controls, and a corrosion-resistant composite cabinet, the SR400NA provides consistent temperature control while operating quietly and efficiently. Its space-saving footprint and straightforward installation make it an excellent choice for equipment pads with limited room—without sacrificing heating power.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":51030775234877,"sku":"SR400NA","price":3999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/6741\/8429\/files\/MaxEThermHeater_480x_177091b1-c1b0-44e9-b117-38ec932bbed5.jpg?v=1763863478","url":"https:\/\/poolsupply4u.com\/products\/pentair-max-e-therm-sr400na","provider":"PoolSupply 4U","version":"1.0","type":"link"}