{"product_id":"ed1-ed2-union-o-ring","title":"Hayward ED1\/ED2 Union O-Ring HAXFOR1930","description":"\u003ch2\u003eHayward H-Series Heater Flange O-Rings, Set of 2 | HAXFOR1930\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eHayward HAXFOR1930 Heater Flange O-Ring Set\u003c\/strong\u003e is a genuine OEM replacement sealing kit designed for compatible Hayward H-Series gas swimming pool and spa heaters. This package includes two replacement O-rings used to seal the heater's inlet and outlet plumbing flange connections.\u003c\/p\u003e\n\n\u003cp\u003eManufactured to Hayward's original equipment specifications, these O-rings are designed to work with compatible heater flange pipe nipples and union nuts. They provide a replacement for worn, flattened, cracked, or deteriorated original seals that may cause water leaks around the heater plumbing connections.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine Hayward OEM:\u003c\/strong\u003e Original manufacturer replacement flange O-rings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSet of Two:\u003c\/strong\u003e Includes two O-rings for compatible heater inlet and outlet connections.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eH-Series Heater Compatibility:\u003c\/strong\u003e Designed for select Hayward ED1, ED2, and induced-draft heater models.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWatertight Plumbing Connections:\u003c\/strong\u003e Helps seal the connection between the heater header and plumbing flange assemblies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplacement Union Seals:\u003c\/strong\u003e Designed for compatible Hayward heater union fittings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConvenient Maintenance Kit:\u003c\/strong\u003e Allows replacement of both inlet and outlet seals during heater servicing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Fitment:\u003c\/strong\u003e Manufactured for heater assemblies requiring part number HAXFOR1930.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Hayward Pool Products\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e HAXFOR1930\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Heater Flange \/ Union O-Ring Set\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Heater Series:\u003c\/strong\u003e Hayward H-Series\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Heater Generations:\u003c\/strong\u003e ED1, ED2, and Select Induced-Draft Models\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Heater Inlet and Outlet Plumbing Connections\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelated Flange Pipe Nipples:\u003c\/strong\u003e HAXNIP1930\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelated Union Nuts:\u003c\/strong\u003e HAXNUT1930\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Quantity:\u003c\/strong\u003e 2 O-Rings\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatible Hayward Pool Heaters\u003c\/h3\u003e\n\u003cp\u003eThe Hayward HAXFOR1930 O-ring set is designed for compatible H-Series gas pool and spa heaters, including select configurations of the following models:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eHayward H150\u003c\/li\u003e\n\u003cli\u003eHayward H200\u003c\/li\u003e\n\u003cli\u003eHayward H210\u003c\/li\u003e\n\u003cli\u003eHayward H250\u003c\/li\u003e\n\u003cli\u003eHayward H300\u003c\/li\u003e\n\u003cli\u003eHayward H350\u003c\/li\u003e\n\u003cli\u003eHayward H400\u003c\/li\u003e\n\u003cli\u003eHayward H-Series ED1 Electronic Ignition Heaters\u003c\/li\u003e\n\u003cli\u003eHayward H-Series ED1 Millivolt Heaters\u003c\/li\u003e\n\u003cli\u003eHayward H-Series ED2 Electronic Ignition Heaters\u003c\/li\u003e\n\u003cli\u003eCompatible Hayward H-Series Induced-Draft Heaters\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCompatibility Notice:\u003c\/strong\u003e Not every Hayward H-Series heater uses the same flange seals. Verify the heater model, production series, and original O-ring part number before ordering. These O-rings should not be assumed compatible with newer Universal H-Series FD heaters.\u003c\/p\u003e\n\n\u003ch3\u003eWhat Do Heater Flange O-Rings Do?\u003c\/h3\u003e\n\u003cp\u003eThe flange O-rings provide a watertight seal at the heater's inlet and outlet plumbing connections. When the union nuts are properly secured, the O-rings seal the connection between the flange pipe nipples and the heater header.\u003c\/p\u003e\n\n\u003cp\u003eOver time, exposure to heat, water chemistry, and normal operating conditions can cause the original O-rings to lose flexibility or become compressed. Replacing deteriorated seals helps prevent water leaks and maintain proper plumbing connections.\u003c\/p\u003e\n\n\u003ch3\u003eWhen to Replace Your Heater O-Rings\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWater leaking around the heater inlet or outlet unions\u003c\/li\u003e\n\u003cli\u003eOriginal O-rings are cracked or brittle\u003c\/li\u003e\n\u003cli\u003eO-rings have become flattened or permanently compressed\u003c\/li\u003e\n\u003cli\u003eSeals are twisted, stretched, or physically damaged\u003c\/li\u003e\n\u003cli\u003eHeater plumbing connections have been disassembled for repair\u003c\/li\u003e\n\u003cli\u003eExisting seals no longer fit correctly in their grooves\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eTroubleshooting:\u003c\/strong\u003e Water leaks at heater unions may also result from cracked flange pipe nipples, damaged union nuts, or deteriorated heater header connections. Inspect all related components before determining which parts require replacement.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Hayward H-Series Heater Plumbing Parts\u003c\/h3\u003e\n\u003cp\u003eComplete your heater plumbing repair with these related genuine Hayward products available from Aqua Pool Supply.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/aquapoolsupply.com\/products\/haywardhseriesheaterplumbingkithaxnno1930hpphaxnno1930\" title=\"Hayward HAXNNO1930 H-Series Heater Plumbing Kit\"\u003e\n\u003cstrong\u003eHayward HAXNNO1930 – H-Series Heater Plumbing Kit\u003c\/strong\u003e\n\u003c\/a\u003e\n– Complete plumbing connection kit containing flange pipe nipples, union nuts, and O-rings for compatible Hayward H-Series heaters.\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003ca href=\"https:\/\/aquapoolsupply.com\/products\/haywardhseriesheaterheaderoringhaxhor1930hpphaxhor1930\" title=\"Hayward HAXHOR1930 H-Series Heater Header O-Ring\"\u003e\n\u003cstrong\u003eHayward HAXHOR1930 – H-Series Heater Header O-Ring\u003c\/strong\u003e\n\u003c\/a\u003e\n– Replacement sealing component for compatible Hayward heater header assemblies. This is a different seal from the HAXFOR1930 flange O-rings.\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAdditional Hayward Heater Replacement Parts\u003c\/h3\u003e\n\u003cp\u003eLooking for replacement flange pipe nipples or union nuts? Browse these related components:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=HAXNIP1930\" title=\"Hayward HAXNIP1930 Heater Flange Pipe Nipples\"\u003e\n\u003cstrong\u003eHayward HAXNIP1930 – Heater Flange Pipe Nipples, Set of 2\u003c\/strong\u003e\n\u003c\/a\u003e\n– Replacement pipe nipples for compatible H-Series heater inlet and outlet connections.\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=HAXNUT1930\" title=\"Hayward HAXNUT1930 Heater Union Nuts\"\u003e\n\u003cstrong\u003eHayward HAXNUT1930 – Heater Union Nuts, Set of 2\u003c\/strong\u003e\n\u003c\/a\u003e\n– Replacement union nuts used to secure compatible heater flange pipe connections.\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eInstallation Instructions\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eTurn off the pool heater and circulation pump.\u003c\/li\u003e\n\u003cli\u003eDisconnect electrical power and allow the heater to cool completely.\u003c\/li\u003e\n\u003cli\u003eClose applicable isolation valves and relieve water pressure from the heater.\u003c\/li\u003e\n\u003cli\u003eCarefully loosen the heater plumbing union nuts.\u003c\/li\u003e\n\u003cli\u003eRemove the existing flange O-rings.\u003c\/li\u003e\n\u003cli\u003eClean and inspect the flange grooves and mating surfaces.\u003c\/li\u003e\n\u003cli\u003eCheck the flange pipe nipples and union nuts for cracks or other damage.\u003c\/li\u003e\n\u003cli\u003eInstall the new Hayward HAXFOR1930 O-rings in their correct positions.\u003c\/li\u003e\n\u003cli\u003eApply a light coating of manufacturer-approved silicone O-ring lubricant if permitted by Hayward's instructions.\u003c\/li\u003e\n\u003cli\u003eReconnect and secure the unions according to the manufacturer's specifications.\u003c\/li\u003e\n\u003cli\u003eRestore water circulation and inspect both connections for leaks before operating the heater.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eInstallation and Maintenance Recommendations\u003c\/h3\u003e\n\u003cp\u003eWhen replacing heater flange O-rings, inspect the surrounding plumbing fittings for damage. Cracked flange pipe nipples or distorted union nuts may cause leaks even when new O-rings are installed.\u003c\/p\u003e\n\n\u003cp\u003eDo not use petroleum-based lubricants unless specifically approved for the sealing material. Avoid overtightening plastic union nuts, which can damage the heater plumbing connections.\u003c\/p\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIncludes:\u003c\/strong\u003e Two (2) Genuine Hayward HAXFOR1930 Heater Flange O-Rings.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e This listing includes two flange O-rings only. Flange pipe nipples, union nuts, heater headers, and other plumbing components are sold separately.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for compatible Hayward H-Series ED1, ED2, and select induced-draft heaters requiring flange O-ring part number HAXFOR1930. Verify your original part number before purchasing.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eSafety:\u003c\/strong\u003e Always turn off the pool pump and heater, allow the equipment to cool, and completely relieve water pressure before disconnecting heater plumbing. Follow Hayward's installation and service instructions.\u003c\/p\u003e","brand":"Hayward","offers":[{"title":"Default Title","offer_id":52076427968828,"sku":"HAXFOR1930","price":13.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/3280\/9276\/files\/hayward-ed1ed2-union-o-ring-haxfor1930-heater-parts-4233533.png?v=1793051589","url":"https:\/\/aquapoolsupply.com\/products\/ed1-ed2-union-o-ring","provider":"Aqua Pool Supply","version":"1.0","type":"link"}