{"product_id":"pentairtubesheetcoilkitcoppernickel400k400hdtubesheetassemblybefore012009starite777070244pen777070244","title":"Pentair Sta-Rite 400HD Cupro-Nickel Tube Sheet Coil Assembly Kit, Before 1\/12\/2009 | 77707-0244","description":"\u003ch2\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eRestore the heating performance of a compatible Pentair or Sta-Rite pool heater with the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ePentair 77707-0244 Cupro-Nickel Tube Sheet Coil Assembly Kit\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. This genuine OEM heat exchanger assembly is specifically designed for select \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e400,000 BTU Heavy-Duty MasterTemp and Max-E-Therm heaters manufactured before January 12, 2009\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe 77707-0244 is built with durable \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ecupro-nickel construction\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, making it an excellent replacement for demanding pool and spa heating applications. The tube sheet and coil assembly transfers heat produced by the burner into the circulating pool or spa water. Over time, improper water chemistry, freeze damage, scaling, corrosion, or normal wear can cause the original heat exchanger to leak or lose efficiency.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eReplacing a damaged tube sheet assembly can restore proper water containment and heat transfer without requiring replacement of the complete heater.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003eGenuine \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ePentair \/ Sta-Rite OEM replacement\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eManufacturer Part Number: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e77707-0244\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eDesigned for \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e400,000 BTU Heavy-Duty heaters\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCupro-nickel heat exchanger construction\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eFits compatible \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ePentair MasterTemp 400HDNA\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eFits compatible \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ePentair MasterTemp 400HD-LP\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eFits compatible \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eSta-Rite Max-E-Therm 400 HD Series\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eFor heaters manufactured \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eBEFORE 1\/12\/2009\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOriginal tube-design replacement assembly\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDesigned for natural gas and propane HD configurations where specified\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncludes required tube-sheet sealing components\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eProfessional heater installation recommended\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eProduct Specifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBrand\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePentair \/ Sta-Rite\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eManufacturer Part Number\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003e77707-0244\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eProduct Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eTube Sheet \/ Coil Assembly Kit\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eComponent\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHeat Exchanger\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMaterial\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eCupro-Nickel\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eHeater Capacity\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003e400,000 BTU\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSeries\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHeavy Duty \/ HD\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMasterTemp Compatibility\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e400HDNA \u0026amp; 400HD-LP\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMax-E-Therm Compatibility\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e400 HD Series\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eManufacturing Date\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eBefore 1\/12\/2009\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOEM Replacement\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eYes\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003e\u003cspan\u003eCompatible Heater Models\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe Pentair 77707-0244 is specified for compatible:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003ePentair MasterTemp\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e400HDNA – 400K BTU Heavy Duty Natural Gas\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e400HD-LP – 400K BTU Heavy Duty Propane\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eSta-Rite Max-E-Therm\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eSR400 HD \/ compatible 400 HD Series models\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003ePentair's replacement-parts documentation lists 77707-0244 for the original 400HD tube design and \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e474065 for heaters manufactured after 1\/12\/2009\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eWhat's Included\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003ePentair's parts documentation identifies the tube-sheet coil kits as including the necessary sealing and related service components, including \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eO-rings, insulation, igniter and blower gaskets\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. Package contents can vary with production revision, so the current factory packaging should be verified when exact individual components are required.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eImportant Compatibility Notice\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eDo not order this heat exchanger based only on the heater's 400K BTU rating.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe manufacturing date is critical.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eBefore 1\/12\/2009:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Use \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e77707-0244\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eAfter 1\/12\/2009:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Pentair lists \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e474065\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e for the newer tube design\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eCheck the heater data plate, model number, serial number, fuel type, and manufacturing date before ordering.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eWhy Cupro-Nickel?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eCupro-nickel heat exchangers provide strong heat-transfer performance with increased resistance to demanding water conditions compared with standard copper applications. They are commonly used in Heavy-Duty heater configurations where additional durability is desired.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eProper pool chemistry is still essential. Low pH, excessive sanitizer levels, incorrect flow, scale buildup, or improperly installed chemical feeders can damage any heat exchanger.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eFrequently Asked Questions\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eWhat does Pentair 77707-0244 fit?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eIt fits compatible \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eMasterTemp 400HDNA, 400HD-LP and Sta-Rite Max-E-Therm 400 HD heaters manufactured before January 12, 2009\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIs this the cupro-nickel version?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eYes. \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e77707-0244 is the Heavy-Duty cupro-nickel tube sheet\/coil assembly.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat part do I need for a 400HD made after 1\/12\/2009?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003ePentair lists \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e474065\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e for compatible 400HD heaters using the newer tube design after that date.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIs this a genuine Pentair part?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eYes. \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e77707-0244 is a genuine Pentair \/ Sta-Rite OEM replacement component.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eShould this be professionally installed?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eYes. Pool-heater heat exchanger replacement involves gas, electrical, combustion, and plumbing systems and should be performed by a qualified heater technician.\u003c\/span\u003e\u003c\/p\u003e\n\u003c!--split--\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":52762363134262,"sku":"PEN777070244 -H","price":1789.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0873\/1167\/9798\/files\/pentair-77707-0244-tube-sheet-coil-assembly-kit-cupro-nickel-400hd-na-400hd-lp-mastertemp-hd-heater-heat-exchange-vita-pool-supply-3844109.webp?v=1787938758","url":"https:\/\/poolsupplydepot.net\/products\/pentairtubesheetcoilkitcoppernickel400k400hdtubesheetassemblybefore012009starite777070244pen777070244","provider":"Pool Supply Depot","version":"1.0","type":"link"}