{"product_id":"pentaircombinationgascontrolvalvekit420010051spen420010051s","title":"Pentair Combination Gas Control Valve Kit | 42001-0051S","description":"\u003cdiv\u003e\n  \u003ch2\u003ePentair Combination Gas Control Valve Kit for MasterTemp® \u0026amp; Sta-Rite Max-E-Therm® Heaters | 42001-0051S\u003c\/h2\u003e\n\n  \u003cp\u003e\n    The Pentair \u003cstrong\u003e42001-0051S\u003c\/strong\u003e is an OEM \u003cstrong\u003ecombination gas control valve kit\u003c\/strong\u003e used in the\n    \u003cstrong\u003eburner system\u003c\/strong\u003e of select Pentair \u003cstrong\u003eMasterTemp\u003c\/strong\u003e and Sta-Rite \u003cstrong\u003eMax-E-Therm\u003c\/strong\u003e pool and spa heaters.\n    This valve assembly regulates and shuts off gas flow to the burner as commanded by the heater controls, supporting safe ignition,\n    stable firing, and proper heater operation.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eKey Features\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOEM combination gas valve kit:\u003c\/strong\u003e designed to match the heater’s burner system requirements for correct fit and function.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eControls gas delivery:\u003c\/strong\u003e opens\/closes and regulates gas to the burner based on heater demand and safety inputs.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHelps restore reliable ignition and heating:\u003c\/strong\u003e common replacement when diagnosing gas valve failure or internal valve issues.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eService replacement part:\u003c\/strong\u003e intended for heater repairs where the parts diagram specifies \u003cstrong\u003e42001-0051S\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eCompatibility\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Pentair \u003cstrong\u003eMasterTemp\u003c\/strong\u003e pool\/spa heaters (model\/revision dependent) where the parts list calls for \u003cstrong\u003e42001-0051S\u003c\/strong\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Sta-Rite \u003cstrong\u003eMax-E-Therm\u003c\/strong\u003e pool\/spa heaters (model\/revision dependent) where the parts list calls for \u003cstrong\u003e42001-0051S\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003e\n    \u003cem\u003eImportant:\u003c\/em\u003e Always confirm your exact heater model, revision, and fuel type (natural gas vs propane) using the heater data plate and parts diagram before ordering.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eCommon Symptoms of a Failing Gas Valve\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eHeater attempts to ignite but will not light consistently\u003c\/li\u003e\n    \u003cli\u003eHeater lights briefly then shuts down unexpectedly\u003c\/li\u003e\n    \u003cli\u003eIntermittent heating with repeated ignition retries\u003c\/li\u003e\n    \u003cli\u003eService troubleshooting indicates gas valve malfunction (after confirming gas supply and safety switches)\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eInstallation Notes\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\u003cstrong\u003eGas service should be performed by a qualified technician.\u003c\/strong\u003e\u003c\/li\u003e\n    \u003cli\u003eTurn off electrical power and shut off gas supply before opening the heater.\u003c\/li\u003e\n    \u003cli\u003eAfter replacement, gas connections must be leak-tested and the heater verified for proper ignition and stable operation.\u003c\/li\u003e\n    \u003cli\u003eIf ignition problems continue, confirm gas supply pressure, venting, and safety circuits (pressure switch, limit switches, etc.).\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eSpecifications\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Pentair\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 42001-0051S\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Combination gas control valve kit (burner system component)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e MasterTemp \/ Max-E-Therm heater burner system (model dependent)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1 kit\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eRelated Products\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/pages\/search-results-page?q=42001-0051S\"\u003eSearch Aqua Pool Supply for 42001-0051S\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/pages\/search-results-page?q=MasterTemp%20parts\"\u003ePentair MasterTemp heater parts\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/pages\/search-results-page?q=Max-E-Therm%20parts\"\u003eSta-Rite Max-E-Therm heater parts\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/pages\/search-results-page?q=heater%20pressure%20switch\"\u003eHeater pressure switches\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/pages\/search-results-page?q=heater%20igniter\"\u003eHeater igniters\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/pages\/search-results-page?q=heater%20thermistor\"\u003eHeater thermistors \u0026amp; temperature sensors\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/pages\/search-results-page?q=heater%20gasket\"\u003eHeater gaskets \u0026amp; seals\u003c\/a\u003e\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eMaintenance Tips\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eKeep water flow strong (clean filter and baskets). Low flow can cause nuisance shutdowns that look like burner issues.\u003c\/li\u003e\n    \u003cli\u003eMaintain balanced water chemistry to reduce scale and overheating that can shorten heater component life.\u003c\/li\u003e\n    \u003cli\u003eIf the heater is outdoors, keep the cabinet sealed and dry to reduce corrosion on electrical and gas components.\u003c\/li\u003e\n    \u003cli\u003eHave a qualified technician inspect combustion and venting periodically for safe, efficient operation.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n","brand":"Pentair","offers":[{"title":"Default Title","offer_id":52589951123772,"sku":"42001-0051S","price":319.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/3280\/9276\/files\/pentair-combination-gas-control-valve-kit-42001-0051s-heater-parts-2483735.jpg?v=1771561347","url":"https:\/\/aquapoolsupply.com\/products\/pentaircombinationgascontrolvalvekit420010051spen420010051s","provider":"Aqua Pool Supply","version":"1.0","type":"link"}