{"product_id":"hayward-fdxlhxa1250-heat-exchanger-assembly","title":"Hayward FDXLHXA1250 OEM Heat Exchanger Assembly H250FD 250K BTU Pool Heater","description":"\u003cp\u003eThe \u003cstrong\u003eHayward FDXLHXA1250\u003c\/strong\u003e is a genuine OEM replacement heat exchanger assembly engineered specifically for the Hayward Universal H-Series Low NOx H250FD pool and spa heater. If your heater is failing to maintain water temperature or showing signs of heat exchanger damage, this factory-original component restores full heating efficiency and extends the life of your investment.\u003c\/p\u003e\n\u003ch3\u003e🚩 PRO TIP\u003c\/h3\u003e\n\u003cp\u003eA failing heat exchanger is often indicated by water leaking from the heater cabinet, a drop in heating efficiency, or visible corrosion on the exchanger body. Always flush and clean the plumbing connections before installing the new exchanger to prevent scale buildup from reducing performance. Professional installation is recommended for this repair.\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"3,0\"\u003ePRODUCT FEATURES\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"3,1,0,0\"\u003eGenuine Hayward OEM replacement — built to exact factory specifications for the H250FD\u003c\/li\u003e\n\u003cli data-path-to-node=\"3,1,1,0\"\u003e\n\u003cb data-path-to-node=\"3,1,1,0\" data-index-in-node=\"0\"\u003eComplete Assembly:\u003c\/b\u003e Includes the front header with a pre-installed water pressure switch and high-limit sensors.\u003c\/li\u003e\n\u003cli data-path-to-node=\"3,1,2,0\"\u003eRestores full heating efficiency and consistent water temperature performance\u003c\/li\u003e\n\u003cli data-path-to-node=\"3,1,3,0\" id=\"p-rc_28e99b6139d6f21a-51\"\u003eCuproNickel construction for superior corro\u003cspan class=\"citation-716\"\u003e\u003c\/span\u003e\u003cspan class=\"citation-715 citation-716\"\u003e\u003c\/span\u003e\u003cspan class=\"citation-714 citation-715 citation-716 citation-end-716\"\u003esion resistance and long service life\u003csup class=\"superscript embedded\" data-turn-source-index=\"1\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan class=\"citation-714 citation-715 citation-end-715\"\u003e\u003csup class=\"superscript embedded\" data-turn-source-index=\"2\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan class=\"citation-714 citation-end-714\"\u003e\u003csup class=\"superscript embedded\" data-turn-source-index=\"3\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\n\u003c\/li\u003e\n\u003cli data-path-to-node=\"3,1,4,0\" id=\"p-rc_28e99b6139d6f21a-52\"\u003e\n\u003cspan class=\"citation-713\"\u003e\u003c\/span\u003e\u003cspan class=\"citation-712 citation-713\"\u003e\u003c\/span\u003e\u003cspan class=\"citation-711 citation-712 citation-713 citation-end-713\"\u003eFits both natural gas and propane (LP) 250K BTU H250FD models\u003csup class=\"superscript embedded\" data-turn-source-index=\"4\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan class=\"citation-711 citation-712 citation-end-712\"\u003e\u003csup class=\"superscript embedded\" data-turn-source-index=\"5\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan class=\"citation-711 citation-end-711\"\u003e\u003csup class=\"superscript embedded\" data-turn-source-index=\"6\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\n\u003c\/li\u003e\n\u003cli data-path-to-node=\"3,1,5,0\" id=\"p-rc_28e99b6139d6f21a-53\"\u003e\n\u003cspan class=\"citation-710\"\u003e\u003c\/span\u003e\u003cspan class=\"citation-709 citation-710\"\u003e\u003c\/span\u003e\u003cspan class=\"citation-708 citation-709 citation-710 citation-end-710\"\u003e2\" x 2.5\" CPVC union plumbing connections for easy in-line installation\u003csup class=\"superscript embedded\" data-turn-source-index=\"7\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan class=\"citation-708 citation-709 citation-end-709\"\u003e\u003csup class=\"superscript embedded\" data-turn-source-index=\"8\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan class=\"citation-708 citation-end-708\"\u003e\u003csup class=\"superscript embedded\" data-turn-source-index=\"9\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\n\u003c\/li\u003e\n\u003cli data-path-to-node=\"3,1,6,0\" id=\"p-rc_28e99b6139d6f21a-54\"\u003e\n\u003cspan class=\"citation-706\"\u003e\u003c\/span\u003e\u003cspan class=\"citation-705 citation-706\"\u003e\u003c\/span\u003e\u003cspan class=\"citation-705 citation-706 citation-707 citation-end-707\"\u003eMeets Low NOx emissions standards — clean air quality \u003csup class=\"superscript embedded\" data-turn-source-index=\"10\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan class=\"citation-705 citation-706 citation-end-706\"\u003ecompliant\u003csup class=\"superscript embedded\" data-turn-source-index=\"11\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan class=\"citation-705 citation-end-705\"\u003e\u003csup class=\"superscript embedded\" data-turn-source-index=\"12\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\n\u003c\/li\u003e\n\u003cli data-path-to-node=\"3,1,7,0\" id=\"p-rc_28e99b6139d6f21a-55\"\u003e\n\u003cspan class=\"citation-704\"\u003e\u003c\/span\u003e\u003cspan class=\"citation-703 citation-704 citation-end-704\"\u003eDirect-fit replacement — no modifications required\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTECHNICAL SPECIFICATIONS\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e FDXLHXA1250\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubstitute Part Numbers:\u003c\/strong\u003e HPPFDXLHXA1250, HAY-151-0005\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 610377073738\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBTU Rating:\u003c\/strong\u003e 250,000 BTU\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlumbing Connections:\u003c\/strong\u003e 2\" x 2.5\" CPVC Union\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e CuproNickel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 35.5 lbs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Models:\u003c\/strong\u003e H250FDN, H250FDP (Hayward Universal H-Series Low NOx)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e Hayward Universal H-Series Low NOx FD\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"6,7\"\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cp data-path-to-node=\"6,8\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"6,8\"\u003eDoes this fit my 400K BTU Hayward heater?\u003c\/b\u003e No, the FDXLHXA1250 is strictly for 250,000 BTU heaters (H250FD models).\u003c\/p\u003e\n\u003cp data-path-to-node=\"6,9\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"6,9\"\u003eIs this heat exchanger suitable for saltwater pools?\u003c\/b\u003e Yes, this assembly is constructed from CuproNickel, which is highly recommended for saltwater pools due to its superior corrosion resistance compared to standard copper.\u003c\/p\u003e\n\u003cp data-path-to-node=\"6,10\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"6,10\"\u003eIs this an aftermarket or OEM part?\u003c\/b\u003e This is a genuine OEM (Original Equipment Manufacturer) Hayward part.\u003c\/p\u003e\n\u003ch3\u003eWHY SHOP WITH AL'S COOL POOL STORE?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e✅ Fast, reliable shipping on every order\u003c\/li\u003e\n\u003cli\u003e✅ Genuine OEM and top-brand parts only\u003c\/li\u003e\n\u003cli\u003e✅ Knowledgeable pool \u0026amp; spa experts ready to help\u003c\/li\u003e\n\u003cli\u003e✅ Hassle-free returns and satisfaction guarantee\u003c\/li\u003e\n\u003cli\u003e✅ Authorized Dealer — shop with confidence\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hayward","offers":[{"title":"Default Title","offer_id":45274868973703,"sku":"FDXLHXA1250","price":1429.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0634\/1217\/4983\/files\/hayward-fdxlhxa1250-heat-exchanger-assembly.jpg?v=1784673275","url":"https:\/\/alscoolpoolstore.com\/products\/hayward-fdxlhxa1250-heat-exchanger-assembly","provider":"Al's Cool Pool Store","version":"1.0","type":"link"}