{"title":"Pentair Mastertemp 125 Gas Heater Parts","description":"\u003cp\u003e\u003cstrong\u003ePentair Mastertemp 125 heater parts\u003c\/strong\u003e are used to repair and maintain Mastertemp 125 gas heaters.\u003c\/p\u003e\n\u003cp\u003eThis collection includes genuine and compatible \u003cstrong\u003eMastertemp 125 parts\u003c\/strong\u003e to restore performance and extend heater life.\u003c\/p\u003e\n\u003cp\u003eIf your heater is not working correctly, view our \u003ca href=\"\/blogs\/troubleshooting\"\u003etroubleshooting guides\u003c\/a\u003e or return to our \u003ca href=\"\/collections\/pentair-mastertemp-heater-parts\"\u003ePentair Mastertemp heater parts\u003c\/a\u003e hub.\u003c\/p\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eRead More About Mastertemp 125 Heater Parts\u003c\/strong\u003e\u003c\/summary\u003e\n\u003ch3\u003eCommon Parts\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThermistors\u003c\/li\u003e\n\u003cli\u003eIgnition modules\u003c\/li\u003e\n\u003cli\u003eGas valves\u003c\/li\u003e\n\u003cli\u003eControl boards\u003c\/li\u003e\n\u003cli\u003ePressure switches\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCommon Faults\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIgnition failure\u003c\/li\u003e\n\u003cli\u003eSensor faults\u003c\/li\u003e\n\u003cli\u003eLockout issues\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat parts fail in Mastertemp 125?\u003c\/strong\u003e\u003cbr\u003eThermistors and ignition modules are common failures.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I replace parts myself?\u003c\/strong\u003e\u003cbr\u003eOnly minor components should be replaced without a technician.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cp\u003e \u003c\/p\u003e","products":[{"product_id":"gas-pool-heater-flue-adaptor","title":"Gas Pool Heater Flue Adaptor 90° Elbow","description":"\u003cp\u003e\u003cspan\u003eLooking for a flue adaptor for your Astralpool IXI or Zodiac JXI gas pool heater? We have the 90° flue adaptors which suit the Astralpool IXI200 and IXI370 heaters and the Zodiac JXI200 and JXI370 heaters and the Pentair Mastertemp 125, 200HD, 300HD \u0026amp; 400HD gas heaters. We have these in stock ready for delivery to your door, Australia wide.\u003c\/span\u003e\u003c\/p\u003e\n\u003c!----\u003e","brand":"HeaterFix","offers":[{"title":"4\" Adaptor (100mm - 150mm)","offer_id":41523143180366,"sku":"","price":170.0,"currency_code":"AUD","in_stock":true},{"title":"8\" Adaptor (100mm - 200mm)","offer_id":41523143213134,"sku":"","price":170.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0572\/5051\/2974\/files\/FlueAdaptorElbow100mm-200mm.jpg?v=1718268677"},{"product_id":"pentair-mastertemp-thermal-regulator-kit","title":"Pentair Mastertemp Heater Thermal Regulator Kit","description":"\u003cp\u003e\u003cspan style=\"color: rgb(119, 119, 119); font-family: Lato, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;\"\u003eNeed to replace the thermal regulator on your Pentair Mastertemp Pool or spa gas heater? We have the thermal regulator kits to suit the Mastertemp 125, 200HD, 300HD and 400HD gas pool and spa heaters. Order now for fast delivery Australia wide.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c!----\u003e","brand":"Pentair","offers":[{"title":"Mastertemp 125 Thermal Regulator Kit","offer_id":42288402956366,"sku":"474989","price":275.0,"currency_code":"AUD","in_stock":true},{"title":"Mastertemp 200 Thermal Regulator Kit","offer_id":42288402989134,"sku":"77707-0010","price":265.0,"currency_code":"AUD","in_stock":true},{"title":"Mastertemp 300 Thermal Regulator Kit","offer_id":42288403021902,"sku":"77707-0010","price":265.0,"currency_code":"AUD","in_stock":true},{"title":"Mastertemp 400 Thermal Regulator Kit","offer_id":42288403054670,"sku":"77707-0010","price":265.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0572\/5051\/2974\/files\/MastertempThermalRegulator1.jpg?v=1737626547"},{"product_id":"pentair-mastertemp-flue-stack-sensor","title":"Pentair Mastertemp Heater Flue Stack Sensor","description":"\u003cp\u003e\u003cspan style=\"color: rgb(119, 119, 119); font-family: Lato, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;\"\u003eNeed to replace the Flue Stack Sensor on your Pentair Mastertemp Pool or spa gas heater? We have the flue stack sensors to suit the Mastertemp 125, 200HD, 300HD and 400HD gas pool and spa heaters. Order now for fast delivery Australia wide.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c!----\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":42256724361294,"sku":null,"price":225.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0572\/5051\/2974\/files\/MastertempFlueStackSensor.jpg?v=1740007549"},{"product_id":"raypak-430-gas-pool-heater-top-used-copy","title":"Mastertemp 400HD Gas Pool Heater Top with Digital PCB - USED","description":"\u003cp\u003e\u003cspan style=\"color: rgb(119, 119, 119); font-family: Lato, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;\"\u003eThis is a used Mastertemp 400HD Gas Pool Heater Top complete with digital thermostat PCB touchpad. The part can be used on the Mastertemp 200, 300 and 400 gas pool heaters. This part is a used part, its been tested and is in perfect working condition. \u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(119, 119, 119); font-family: Lato, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;\"\u003e \u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c!----\u003e","brand":"HeaterFix","offers":[{"title":"Default Title","offer_id":42283246944334,"sku":null,"price":250.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0572\/5051\/2974\/files\/MastertempHeaterTopWithDisplayPCB-Used.jpg?v=1740698133"},{"product_id":"pentair-mastertemp-gas-pool-heater-front-panel-used","title":"Pentair Mastertemp Gas Pool Heater Service Panel - USED","description":"\u003cp\u003e\u003cspan style=\"color: rgb(119, 119, 119); font-family: Lato, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;\"\u003eThis is a used Mastertemp Gas Pool Heater service panel (front). The part can be used on the Mastertemp 200, 300 and 400 gas pool heaters. This part is a used part and is in perfect condition. \u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(119, 119, 119); font-family: Lato, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;\"\u003e \u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c!----\u003e","brand":"HeaterFix","offers":[{"title":"Default Title","offer_id":42283251368014,"sku":null,"price":125.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0572\/5051\/2974\/files\/MastertempHeaterFrontPanel-Used.jpg?v=1740698454"},{"product_id":"mastertemp-300hd-gas-pool-heater-top-with-digital-pcb-used","title":"Mastertemp 300HD Gas Pool Heater Top with Digital PCB - USED","description":"\u003cp\u003e\u003cspan style=\"color: rgb(119, 119, 119); font-family: Lato, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;\"\u003eThis is a used Mastertemp 300HD Gas Pool Heater Top complete with digital thermostat PCB touchpad. The part can be used on the Mastertemp 200, 300 and 400 gas pool heaters. This part is a used part, its been tested and is in perfect working condition. \u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(119, 119, 119); font-family: Lato, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;\"\u003e \u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c!----\u003e","brand":"HeaterFix","offers":[{"title":"Default Title","offer_id":42997785952334,"sku":null,"price":250.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0572\/5051\/2974\/files\/Mastertemp300HDHeaterTopWithDisplayPCB-USED.jpg?v=1740744551"},{"product_id":"pentair-mastertemp-heater-top","title":"Pentair Mastertemp Gas Heater Top","description":"\u003cp\u003e\u003cspan style=\"color: rgb(119, 119, 119); font-family: Lato, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;\"\u003eNeed to replace the heater top of your Pentair Mastertemp Pool or spa gas heater? We have the heater tops to suit the Mastertemp 125, 200HD, 300HD and 400HD gas pool and spa heaters. Order now for fast delivery Australia wide.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c!----\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":42288249176142,"sku":null,"price":550.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0572\/5051\/2974\/files\/ImageUnavailable.jpg?v=1740487708"},{"product_id":"pentair-mastertemp-gas-heater-top-copy","title":"Pentair Mastertemp Gas Heater Service Panel","description":"\u003cp\u003e\u003cspan style=\"color: rgb(119, 119, 119); font-family: Lato, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;\"\u003eNeed to replace the heater service panel (front or rear) Pentair Mastertemp Pool or spa gas heater? We have these service panels to suit the Mastertemp 125, 200HD, 300HD and 400HD gas pool and spa heaters. Order now for fast delivery Australia wide.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c!----\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":42288265953358,"sku":null,"price":365.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0572\/5051\/2974\/files\/ImageUnavailable.jpg?v=1740487708"},{"product_id":"pentair-mastertemp-manifold-kits-200hd-300hd-400hd","title":"Pentair Mastertemp Manifold Kits 125 200HD 300HD 400HD","description":"\u003cp\u003e\u003cspan style=\"color: rgb(119, 119, 119); font-family: Lato, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;\"\u003eNeed to replace the heater manifold kit for your Pentair Mastertemp Pool or spa gas heater? We have these manifold kits to suit the Mastertemp 125, 200HD, 300HD and 400HD gas pool and spa heaters. This part is a complete manifold replacment kit, but it does not include the thermal regulator. Order now for fast delivery Australia wide.\u003cbr\u003e\u003cbr\u003eNOTE - Delivery of this part is between 7-14 days.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c!----\u003e","brand":"Pentair","offers":[{"title":"Mastertemp Manifold 125","offer_id":42288467378254,"sku":"475148","price":660.0,"currency_code":"AUD","in_stock":true},{"title":"Mastertemp Manifold 200HD","offer_id":42288307863630,"sku":"474391","price":990.0,"currency_code":"AUD","in_stock":true},{"title":"Mastertemp Manifold 300HD","offer_id":42288307896398,"sku":"474392","price":990.0,"currency_code":"AUD","in_stock":true},{"title":"Mastertemp Manifold 400HD","offer_id":42288307929166,"sku":"475267","price":990.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0572\/5051\/2974\/files\/Mastertemp_Gas_Heater_Inoutlet_Manifold.jpg?v=1740921609"},{"product_id":"pentair-mastertemp-heat-exchanger-125-200hd-300hd-400hd","title":"Pentair Mastertemp Heat Exchanger 125 200HD 300HD 400HD","description":"\u003cp\u003e\u003cspan style=\"color: rgb(119, 119, 119); font-family: Lato, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;\"\u003eNeed to replace the heat exchanger for your Pentair Mastertemp Pool or spa gas heater? We have the heat exchangers to suit the Mastertemp 125, 200HD, 300HD and 400HD gas pool and spa heaters. Order now for fast delivery Australia wide.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c!----\u003e","brand":"Pentair","offers":[{"title":"Mastertemp 125","offer_id":42288419373134,"sku":"","price":1600.0,"currency_code":"AUD","in_stock":true},{"title":"Mastertemp Manifold 200HD","offer_id":42288408657998,"sku":null,"price":1700.0,"currency_code":"AUD","in_stock":true},{"title":"Mastertemp Manifold 300HD","offer_id":42288408690766,"sku":null,"price":2360.0,"currency_code":"AUD","in_stock":true},{"title":"Mastertemp Manifold 400HD","offer_id":42288408723534,"sku":null,"price":2800.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0572\/5051\/2974\/files\/MastertempHeatExchanger.jpg?v=1740921744"},{"product_id":"pentair-mastertemp-main-control-board-pcb-membrane-and-pcb","title":"Pentair Mastertemp Main Control Board PCB - Membrane and PCB | Max E Therm | Turbotemp","description":"\u003ch1\u003eGenuine Pentair Mastertemp Main Control Board PCB - Membrane and PCB | Max E Therm | Turbotemp\u003c\/h1\u003e\n\u003cp\u003eThis \u003cstrong\u003egenuine Pentair replacement control board and membrane touchpad\u003c\/strong\u003e is designed for use with Pentair \u003cstrong\u003eMastertemp\u003c\/strong\u003e, Sta-Rite \u003cstrong\u003eMax-E-Therm\u003c\/strong\u003e, and Waterco \u003cstrong\u003eTurbotemp\u003c\/strong\u003e gas pool and spa heaters. It replaces the discontinued older-style PCB and keypad with the latest manufacturer-approved version.\u003c\/p\u003e\n\u003ch2\u003eProduct Overview:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eOfficial Pentair replacement part – not a generic copy\u003c\/li\u003e\n\u003cli\u003eIncludes both updated PCB (main control board) and membrane touchpad interface\u003c\/li\u003e\n\u003cli\u003eRequired when replacing older versions – old style is no longer manufactured\u003c\/li\u003e\n\u003cli\u003eCompatible with \u003cstrong\u003eMastertemp, Max-E-Therm, and Turbotemp\u003c\/strong\u003e models\u003c\/li\u003e\n\u003cli\u003eSuits 200, 300, and 400 HD gas pool \u0026amp; spa heater models\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eImportant Installation Notes:\u003c\/h2\u003e\n\u003cp\u003eDue to updated design, \u003cstrong\u003eboth the PCB and membrane must be installed together\u003c\/strong\u003e for full compatibility. This updated version may look slightly different from previous models, but it is fully compatible and factory-tested for performance.\u003c\/p\u003e\n\u003cp\u003eThis control board is commonly replaced when corrosion or heat damage occurs, especially around the lower section of the original PCB, which can result in heater malfunctions, intermittent shutdowns, or display errors.\u003c\/p\u003e\n\u003ch2\u003eCompatibility:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePentair Mastertemp 200 \/ 300 \/ 400 HD\u003c\/li\u003e\n\u003cli\u003eSta-Rite Max-E-Therm 200 \/ 300 \/ 400 HD\u003c\/li\u003e\n\u003cli\u003eWaterco Turbotemp 200 \/ 300 \/ 400 HD\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eGenuine Part Guarantee:\u003c\/h2\u003e\n\u003cp\u003eWe supply only \u003cstrong\u003egenuine Pentair-manufactured parts\u003c\/strong\u003e. This is the official factory replacement – not an inferior aftermarket version. \u003c\/p\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eWhich models does this control board fit?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eThis PCB and membrane kit fits Pentair Mastertemp, Sta-Rite Max-E-Therm, and Waterco Turbotemp gas pool and spa heaters – 200, 300, and 400 HD models.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eCan I use just the PCB or just the membrane?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eNo. Both the new-style PCB and membrane must be installed together for full compatibility. They are not interchangeable with older parts.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eIs this a genuine Pentair product?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eYes, we only supply brand new, manufacturer-approved Pentair components. This is not a third-party or aftermarket part.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eWhat are common signs this part needs replacing?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eHeater malfunctioning, unresponsive keypad, blank display, or signs of corrosion on the bottom edge of the circuit board may indicate failure.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\n","brand":"Pentair","offers":[{"title":"Default Title","offer_id":42958649163854,"sku":null,"price":590.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0572\/5051\/2974\/files\/Pentair_Mastertemp_Main_Control_Board_PCB_-_Membrane_PCB.jpg?v=1759109850"},{"product_id":"pentair-mastertemp-heater-top-max-e-therm-turbotemp","title":"Pentair MasterTemp Pool Heater Top | Max-E-Therm | Turbotemp","description":"\u003ch1\u003ePentair MasterTemp Pool Heater Top | Max-E-Therm | Turbotemp\u003c\/h1\u003e\n\u003cp\u003eReplace your cracked, weathered, or broken heater top with this \u003cstrong\u003egenuine Pentair replacement top lid\u003c\/strong\u003e, designed to suit \u003cstrong\u003eMasterTemp\u003c\/strong\u003e, \u003cstrong\u003eMax-E-Therm\u003c\/strong\u003e, and \u003cstrong\u003eWaterco Turbotemp\u003c\/strong\u003e gas pool and spa heaters.\u003c\/p\u003e\n\u003ch2\u003eProduct Overview:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Pentair-manufactured top cover\u003c\/li\u003e\n\u003cli\u003eFits MasterTemp, Max-E-Therm, and Turbotemp models\u003c\/li\u003e\n\u003cli\u003eSuits 200, 300, and 400 HD pool and spa heater models\u003c\/li\u003e\n\u003cli\u003eUV-resistant, high-impact plastic – built for harsh Australian conditions\u003c\/li\u003e\n\u003cli\u003eHelps protect internal components from rain, debris, and sun damage\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhen to Replace:\u003c\/h2\u003e\n\u003cp\u003eThe heater top is often the first component to show signs of wear and tear. Over time, UV exposure and weather can cause the top to become brittle or crack, exposing internal electronics and insulation to the elements. Replacing the heater top restores protection and appearance.\u003c\/p\u003e\n\u003ch2\u003eCompatibility:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePentair MasterTemp 200 \/ 300 \/ 400 HD\u003c\/li\u003e\n\u003cli\u003eSta-Rite Max-E-Therm 200 \/ 300 \/ 400 HD\u003c\/li\u003e\n\u003cli\u003eWaterco Turbotemp 200 \/ 300 \/ 400 HD\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eGenuine Part Guarantee:\u003c\/h2\u003e\n\u003cp\u003eThis is an \u003cstrong\u003eofficial Pentair replacement part\u003c\/strong\u003e, not an aftermarket or third-party imitation. We only stock factory-authorised components to ensure safety, performance, and long-term reliability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e This is the top-only component and does not include internal parts or hardware. Please check compatibility and heater model before ordering.\u003c\/p\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eWhich heaters is this top cover compatible with?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eThis top suits Pentair MasterTemp, Sta-Rite Max-E-Therm, and Waterco Turbotemp gas pool and spa heaters – 200, 300, and 400 HD models.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eIs this an original Pentair part?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eYes, this is a genuine Pentair-manufactured replacement top, built to factory specifications with UV-stable materials.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eDoes this include screws or internal parts?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eNo, this listing is for the replacement top housing only. Internal components and fasteners are sold separately if required.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eWhy should I replace a damaged heater top?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eA cracked or brittle top can allow water and debris to enter the heater, potentially damaging electronics and reducing performance. Replacing it protects the internal system and extends heater lifespan.\u003c\/p\u003e\n\u003c\/details\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":42958720401486,"sku":null,"price":525.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0572\/5051\/2974\/files\/MastertempHeaterTop.jpg?v=1759111282"},{"product_id":"pentair-mastertemp-heater-thermal-regulator","title":"Pentair Mastertemp Heater Thermal Regulator","description":"\u003cp\u003e\u003cspan style=\"color: rgb(119, 119, 119); font-family: Lato, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;\"\u003eLooking for a thermal regulator on your Pentair Mastertemp Pool or spa gas heater? We have the thermal regulator's to suit the Mastertemp 125, 200HD, 300HD and 400HD gas pool and spa heaters. Order now for fast delivery Australia wide.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c!----\u003e","brand":"Pentair","offers":[{"title":"Mastertemp 125 Thermal Regulator Kit","offer_id":43610860814414,"sku":"474989","price":175.0,"currency_code":"AUD","in_stock":true},{"title":"Mastertemp 200 Thermal Regulator Kit","offer_id":43610860847182,"sku":"77707-0010","price":175.0,"currency_code":"AUD","in_stock":true},{"title":"Mastertemp 300 Thermal Regulator Kit","offer_id":43610860879950,"sku":"77707-0010","price":175.0,"currency_code":"AUD","in_stock":true},{"title":"Mastertemp 400 Thermal Regulator Kit","offer_id":43610860912718,"sku":"77707-0010","price":175.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0572\/5051\/2974\/files\/ImageUnavailable_cc4be999-0052-469e-88da-f95f796d8bde.jpg?v=1756022053"},{"product_id":"pentair-mastertemp-turbotemp-pressure-relief-valve-kit","title":"Pentair Mastertemp TurboTemp Pressure Relief Valve Kit","description":"\u003ch2\u003ePentair MasterTemp TurboTemp Pressure Relief Valve Kit\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003ePentair MasterTemp TurboTemp Pressure Relief Valve Kit\u003c\/strong\u003e is designed for use with selected \u003cstrong\u003ePentair MasterTemp and TurboTemp gas pool and spa heaters\u003c\/strong\u003e. This kit provides a safe pressure relief solution for heater installations where downstream restrictive devices or local plumbing codes require a pressure relief valve.\u003c\/p\u003e\n\u003cp\u003eThis complete kit includes the pressure relief valve and required brass fittings for installation onto the heater manifold assembly.\u003c\/p\u003e\n\u003ch3\u003eCompatible Heater Models\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePentair MasterTemp Pool Heaters\u003c\/li\u003e\n\u003cli\u003ePentair TurboTemp Pool \u0026amp; Spa Heaters\u003c\/li\u003e\n\u003cli\u003eSelected Pentair gas heater installations requiring PRV compliance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePressure Relief Valve\u003c\/li\u003e\n\u003cli\u003e90° Brass Elbow\u003c\/li\u003e\n\u003cli\u003e3\/4\" x 3.5\" Brass Nipple\u003c\/li\u003e\n\u003cli\u003e3\/4\" x 2.5\" Brass Nipple\u003c\/li\u003e\n\u003cli\u003e3\/4\" x 1.375\" Brass Nipple\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAccording to the Pentair installation instructions, the pressure relief valve must comply with the ANSI\/ASME Boiler and Pressure Vessel Code and must not exceed 50 PSI relief pressure. \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0572\/5051\/2974\/files\/Manual-MasterTemp-Pressure-Relief-Valve-474451-English.pdf?v=1779350888\" title=\"Pentair Mastertemp Turbotemp Pressure Relief Valve Kit\"\u003eDownload Installation Instructions\u003c\/a\u003e\u003c\/p\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eRead More – Function, Installation \u0026amp; Safety Information\u003c\/strong\u003e\u003c\/summary\u003e\n\u003ch3\u003eWhat Does a Pressure Relief Valve Do?\u003c\/h3\u003e\n\u003cp\u003eThe pressure relief valve protects the heater and plumbing system from excessive pressure buildup. If pressure exceeds safe operating limits, the valve opens and releases water to reduce system pressure.\u003c\/p\u003e\n\u003cp\u003eThis component is especially important in systems fitted with restrictive plumbing devices such as check valves, isolation valves or therapeutic pool valving.\u003c\/p\u003e\n\u003ch3\u003eCommon Reasons a PRV Kit Is Installed\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCompliance with local plumbing or gas codes\u003c\/li\u003e\n\u003cli\u003eProtection against excessive pressure buildup\u003c\/li\u003e\n\u003cli\u003eInstallation with check valves or restrictive plumbing\u003c\/li\u003e\n\u003cli\u003eCommercial or high-performance pool systems\u003c\/li\u003e\n\u003cli\u003eUpgrading older heater installations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCommon Search Problems This Kit Solves\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePentair MasterTemp pressure relief valve\u003c\/li\u003e\n\u003cli\u003eMasterTemp PRV kit installation\u003c\/li\u003e\n\u003cli\u003ePool heater over pressure protection\u003c\/li\u003e\n\u003cli\u003eTurboTemp pressure valve kit\u003c\/li\u003e\n\u003cli\u003ePool heater pressure release valve leaking\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation Notes\u003c\/h3\u003e\n\u003cp\u003eThe Pentair installation instructions specify that:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNo valve may be installed between the heater manifold and the relief valve\u003c\/li\u003e\n\u003cli\u003eThe pressure relief valve must be installed horizontally\u003c\/li\u003e\n\u003cli\u003eThe drain line must allow complete drainage\u003c\/li\u003e\n\u003cli\u003eThe valve should be tested annually using the valve lever\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe installation guide also notes that heaters installed with downstream restrictive devices must have a correctly installed relief valve :contentReference[oaicite:1]{index=1}.\u003c\/p\u003e\n\u003ch3\u003eAdditional Installation Information\u003c\/h3\u003e\n\u003cp\u003eThe supplied brass nipples and elbow are designed to connect the relief valve directly to the heater manifold assembly as shown in the Pentair installation diagrams :contentReference[oaicite:2]{index=2}.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003ch3\u003eWhy Buy From HeaterFix\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSpecialists in Pentair gas heater parts\u003c\/li\u003e\n\u003cli\u003eFast Australia-wide shipping\u003c\/li\u003e\n\u003cli\u003eSupport identifying the correct MasterTemp components\u003c\/li\u003e\n\u003cli\u003eTrusted supplier for pool heater repairs and installations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Pressure relief valves are safety devices and must be installed by a qualified pool or gas professional in accordance with local codes and Pentair installation instructions.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":43767830904910,"sku":"474989","price":329.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0572\/5051\/2974\/files\/MastertempTurbotempPressureReliefValveKit.jpg?v=1779350420"}],"url":"https:\/\/www.heaterfix.com.au\/collections\/pentair-mastertemp-125-heater-parts.oembed","provider":"HeaterFix - Pool Heater Repairs","version":"1.0","type":"link"}