{"product_id":"raypakelectroniccombinationiidnaturalgasvalve003900fray003900f","title":"Raypak Electronic Combination IID Natural Gas Valve | 003900F","description":"\u003cdiv\u003e\n  \u003ch2\u003eRaypak 003900F Electronic Combination Gas Valve Kit – Natural Gas (NG) – IID Heaters – 3\/4\"\u003c\/h2\u003e\n\n  \u003cp\u003e\n    The Raypak 003900F is an OEM-style \u003cstrong\u003eelectronic combination gas valve kit\u003c\/strong\u003e for compatible Raypak\n    \u003cstrong\u003eIID (intermittent electronic ignition)\u003c\/strong\u003e pool and spa heaters that run on \u003cstrong\u003enatural gas\u003c\/strong\u003e.\n    This valve regulates and controls natural gas flow to the burner system during ignition and operation, helping restore safe,\n    reliable firing when the original gas valve is leaking, sticking, failing to open consistently, or causing intermittent ignition issues.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eKey Details\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 003900F\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFuel Type:\u003c\/strong\u003e Natural Gas (NG)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eIgnition Type:\u003c\/strong\u003e IID \/ electronic ignition (not for millivolt\/standing pilot systems)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eValve Size:\u003c\/strong\u003e 3\/4\" (commonly referenced as a 3\/4\" combination gas valve for Raypak IID heaters)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Controls gas flow for ignition and steady burner operation\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eKit Style:\u003c\/strong\u003e Typically supplied as a kit for direct replacement on listed Raypak families (contents can vary by packaging\/revision)\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eCommon Compatible Raypak Heater Families\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eOften listed for Raypak IID heater models such as \u003cstrong\u003e53A \/ 53B \/ 055A \/ 055B \/ 105A \/ 105B \/ 151 \/ 153\u003c\/strong\u003e\n\u003c\/li\u003e\n    \u003cli\u003eAlso commonly referenced for Raypak digital IID families such as \u003cstrong\u003e206A \/ 266A \/ 336A \/ 406A\u003c\/strong\u003e\n\u003c\/li\u003e\n    \u003cli\u003eCommonly cross-referenced for Raypak \u003cstrong\u003eR185 \/ R265 \/ R335 \/ R405\u003c\/strong\u003e (verify by model\/serial and parts diagram)\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eCommon Symptoms This Part Can Fix\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eHeater attempts to ignite but fails to light consistently\u003c\/li\u003e\n    \u003cli\u003eIntermittent shutdowns or nuisance ignition lockouts after confirming proper water flow\u003c\/li\u003e\n    \u003cli\u003eGas valve will not open, opens inconsistently, or sticks\u003c\/li\u003e\n    \u003cli\u003eVisible gas valve leakage or corrosion (replace immediately if a leak is suspected)\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eImportant Fit \u0026amp; Safety Notes\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eNatural gas only:\u003c\/strong\u003e This is an NG valve. Do not use it for propane\/LP systems.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eIID only:\u003c\/strong\u003e Not intended for millivolt\/standing pilot Raypak models.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eVerify before ordering:\u003c\/strong\u003e Match the part number to your heater’s model\/serial and correct parts breakdown.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eGas components are safety-critical:\u003c\/strong\u003e Installation should be performed by a qualified service professional following local codes.\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\/search?q=raypak%20003900F\"\u003eSearch: Raypak 003900F\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=raypak%20gas%20valve\"\u003eSearch: Raypak Gas Valves\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=raypak%20ignition%20control\"\u003eSearch: Raypak Ignition Control Parts\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=raypak%20pilot%20assembly%20iid\"\u003eSearch: Raypak IID Pilot Assemblies\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=raypak%20flame%20sensor\"\u003eSearch: Raypak Flame Sensor \/ Ignition Parts\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=raypak%20pressure%20switch\"\u003eSearch: Raypak Pressure Switch\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=raypak%20high%20limit\"\u003eSearch: Raypak High Limit Switch\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/collections\/vendors?q=raypak\"\u003eShop Raypak\u003c\/a\u003e\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eInstallation \u0026amp; Maintenance Tips\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eAlways shut off gas and power before service, and leak-test all gas connections after installation.\u003c\/li\u003e\n    \u003cli\u003eIf ignition issues persist after replacement, confirm proper gas supply pressure, clean burners, correct grounding\/bonding, and unobstructed combustion air.\u003c\/li\u003e\n    \u003cli\u003eKeep the heater cabinet area clear of leaves and debris—restricted airflow can cause poor combustion and safety trips.\u003c\/li\u003e\n    \u003cli\u003eMaintain proper water flow and clean filtration; low flow can cause overheating and shutdowns that mimic ignition problems.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n","brand":"Raypak","offers":[{"title":"Default Title","offer_id":46797834092719,"sku":"003900F","price":249.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6415\/2239\/files\/raypak-electronic-combination-iid-natural-gas-valve-003900f-heater-parts-9398400.jpg?v=1777067939","url":"https:\/\/freshized.com\/products\/raypakelectroniccombinationiidnaturalgasvalve003900fray003900f","provider":"Freshized","version":"1.0","type":"link"}