{"product_id":"haywardhseriesheaterplumbingkithaxnno1930hpphaxnno1930","title":"Hayward H-Series Heater Plumbing Kit | HAXNNO1930","description":"\u003cdiv class=\"product-description\"\u003e\n\n  \u003ch2\u003eHayward HAXNNO1930 CPVC Heater Plumbing Kit (Nipples, Union Nuts \u0026amp; O-Rings) for H-Series \/ ED1\u003c\/h2\u003e\n\n  \u003cp\u003e\n    The Hayward \u003cstrong\u003eHAXNNO1930\u003c\/strong\u003e is a genuine replacement \u003cstrong\u003eCPVC plumbing connection kit\u003c\/strong\u003e used on compatible\n    Hayward \u003cstrong\u003eH-Series\u003c\/strong\u003e pool heaters (commonly referenced for \u003cstrong\u003eED1\u003c\/strong\u003e heater applications). This kit replaces the\n    heater-side union components that connect your plumbing to the heater header, helping restore a secure, leak-resistant connection.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eWhat’s Included\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e(2) CPVC \u003cstrong\u003enipple connectors\u003c\/strong\u003e\n\u003c\/li\u003e\n    \u003cli\u003e(2) \u003cstrong\u003eunion nuts\u003c\/strong\u003e\n\u003c\/li\u003e\n    \u003cli\u003e(2) \u003cstrong\u003eunion O-rings\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eCompatibility Notes\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eDesigned for use on compatible Hayward \u003cstrong\u003eH-Series\u003c\/strong\u003e heaters (commonly listed for \u003cstrong\u003eED1\u003c\/strong\u003e applications)\u003c\/li\u003e\n    \u003cli\u003eIntended for heater plumbing setups using \u003cstrong\u003e1-1\/2\" or 2\"\u003c\/strong\u003e plumbing connections (as configured on the heater union\/header side)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eNot intended\u003c\/strong\u003e for certain newer\/current Hayward heater model families (verify your heater model before ordering)\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eCommon Reasons to Replace\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eDrips or seepage at the heater union connection\u003c\/li\u003e\n    \u003cli\u003eCracked, sun-brittle, or chemically worn union nuts\u003c\/li\u003e\n    \u003cli\u003eFlattened, swollen, or leaking union O-rings\u003c\/li\u003e\n    \u003cli\u003eHeader\/union service where the original hardware no longer seals reliably\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eInstallation Notes\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eTurn off the pump and relieve system pressure before loosening heater unions.\u003c\/li\u003e\n    \u003cli\u003eClean the union sealing surfaces before installing new O-rings.\u003c\/li\u003e\n    \u003cli\u003eLightly lubricate O-rings with a \u003cstrong\u003esilicone-based\u003c\/strong\u003e pool lubricant to reduce pinching and improve sealing.\u003c\/li\u003e\n    \u003cli\u003eHand-tighten union nuts firmly; avoid overtightening that can crack plastic fittings or distort O-rings.\u003c\/li\u003e\n    \u003cli\u003eIf the heater header threads or sealing faces are damaged, correct that issue before installing new union parts.\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=HAXNNO1930\"\u003eHayward HAXNNO1930 Plumbing Kit (search)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=hayward%20h-series%20heater%20parts\"\u003eHayward H-Series Heater Parts (search)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=heater%20union%20o-ring%20hayward\"\u003eHayward Heater Union O-Rings (search)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=silicone%20pool%20lube\"\u003eSilicone O-Ring \u0026amp; Gasket Lubricant (search)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=pool%20plumbing%20union\"\u003ePool Plumbing Unions (search)\u003c\/a\u003e\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr\u003e\n\n  \u003ch3\u003eMaintenance Tips\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eIf you ever open heater unions for service, replace O-rings while they’re accessible—reusing flattened O-rings is a common cause of repeat leaks.\u003c\/li\u003e\n    \u003cli\u003eKeep water chemistry balanced to reduce scale buildup that can damage sealing surfaces over time.\u003c\/li\u003e\n    \u003cli\u003eInspect for slow drips after startup—small leaks can leave mineral deposits that make future sealing harder.\u003c\/li\u003e\n    \u003cli\u003eSupport nearby plumbing so the heater unions aren’t carrying stress from misaligned pipes.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n\u003c\/div\u003e","brand":"Hayward","offers":[{"title":"Default Title","offer_id":52589939032380,"sku":"HAXNNO1930","price":69.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/3280\/9276\/files\/hayward-h-series-heater-plumbing-kit-haxnno1930-heater-parts-7629348.jpg?v=1772790141","url":"https:\/\/aquapoolsupply.com\/products\/haywardhseriesheaterplumbingkithaxnno1930hpphaxnno1930","provider":"Aqua Pool Supply","version":"1.0","type":"link"}