{"product_id":"hayward_fdxlhxa1250","title":"Hayward Heat Exchanger Assembly for Universal H-Series Gas Heater H250FD | FDXLHXA1250","description":"\u003cp\u003eThe Hayward Heat Exchanger Assembly (FDXLHXA1250) is the OEM replacement heat exchanger for the Universal H-Series gas heater, model H250FD.\u003c\/p\u003e\n\n\u003cp style=\"background-color: #fff3cd; border: 2px solid #FFEAA7; padding: 15px; border-radius: 5px; margin: 15px 0; color: #856404;\"\u003e\u003cstrong\u003eIMPORTANT: PROFESSIONAL SERVICE REQUIRED\u003c\/strong\u003e\u003cbr\u003eGas and electrical heater components must be serviced by a licensed pool professional or qualified HVAC technician. Do not attempt to service gas or high-voltage components without proper certification.\u003c\/p\u003e\n\n\u003cp\u003eThe heat exchanger assembly is the core thermal transfer component of the H250FD heater, circulating pool water through the exchanger where combustion heat is transferred to the water before it returns to the pool. This cupro nickel assembly is engineered for resistance to salt water and chemical corrosion, and is designed to manage water flow through the exchanger to maximise heat transfer efficiency.\u003c\/p\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin: 20px 0; border: 1px solid #ccc;\"\u003e\n\u003ctr style=\"background-color: #f8f9fa;\"\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\u003cstrong\u003eHayward Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003eFDXLHXA1250\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\u003cstrong\u003eCompatible Heater Model\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003eH250FD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f8f9fa;\"\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\u003cstrong\u003eEquipment Line\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003eHayward Universal H-Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\u003cstrong\u003eUPC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003e610377073738\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePoolaroo Pro Tip\u003c\/h3\u003e\n\u003cp\u003eBefore installing a replacement heat exchanger, inspect the header and manifold connections for scale buildup or corrosion — these are common contributors to heat exchanger failure and should be addressed at the same service visit. Gas and electrical heater components must be serviced by a licensed pool professional or qualified HVAC technician.\u003c\/p\u003e\n\n\u003c!-- wft:processed:manual:2026-06-22 --\u003e","brand":"Hayward","offers":[{"title":"Default Title","offer_id":54303469764883,"sku":"FDXLHXA1250","price":1357.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0920\/0687\/5411\/files\/hayward-heat-exchanger-assembly-for-universal-h-series-gas-heater-h250fd-fdxlhxa1250-2.webp?v=1785317284","url":"https:\/\/poolaroo.com\/products\/hayward_fdxlhxa1250","provider":"Poolaroo","version":"1.0","type":"link"}