Find your parts diagram
Sticker on the pump body (the part with the basket), not on the motor. Motor labels from Century, A.O. Smith or Regal won't match parts.
Label on the side of the tank near the base. Size is in sq ft, e.g. 420 sq ft = C4030 or CCP420.
Rating plate inside the front access panel. Note the BTU and gas type (NG or LP).
Molded into the body or printed on top. Robotic cleaners: on the power supply.
Still not sure? Call (818) 818-6559 and we'll find it for you.
OEM Hayward Heat Exchanger Assembly FDXLHXA1250 is a key heating component for the Hayward Universal H-Series Low NOx pool heater model H250FD. It ensures proper water heating while complying with low NOx emission standards, supporting environmentally responsible operation. Built from highly durable materials, this heat exchanger is engineered to resist corrosion and maintain performance under harsh poolside conditions. As a genuine replacement part, it ensures seamless integration and helps extend the lifespan of your heating system.
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Precision Fit for H250FD Heaters: Specifically made for Hayward Universal H-Series Low NOx H250FD models to ensure a direct and secure fit
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Boosts Heating System Output: Helps the heater deliver consistent warmth by efficiently transferring heat to circulating water
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Complies with Air Quality Standards: Meets low NOx emission limits, making it a cleaner, greener solution for pool heating
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Constructed for Longevity: Manufactured from premium-grade materials that perform reliably in chemically treated and high-moisture settings
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Essential for Consistent Performance: Restores full heating capacity and maintains optimal functionality throughout the heating season
- Hayward H-Series H250FD Heaters

