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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.
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On the Hayward H-Series H150FDN Heater diagram
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Other parts on the same Hayward H-Series H150FDN Heater
OEM Hayward Integrated Control Board Replacement Kit FDXLICB1930 is engineered for use in Hayward H-Series Low NOx pool heaters manufactured after September 20, 2004. This genuine replacement component restores internal control functions to maintain precise heater performance, efficient ignition, and responsive system monitoring. Built to meet Hayward’s factory specifications, the FDXLICB1930 ensures dependable operation, improved energy efficiency, and simplified maintenance. Whether performing a repair or routine replacement, this integrated control board helps extend heater longevity while reducing operational issues over time.
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OEM Control Board for H-Series Heaters: Provides exact-fit compatibility with Low NOx heater models, ensuring safe and efficient operation
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Supports Models Built After 2004: Designed specifically for units manufactured after September 20, 2004, for compatibility with updated systems
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Restores Heater Functionality: Manages key heater operations including ignition timing, diagnostics, and system feedback for optimal control
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Simple and Direct Installation: Designed for straightforward replacement with minimal setup, reducing service time and downtime
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Maintains Heating System Efficiency: Helps preserve accurate heating cycles and consistent system performance for long-term reliability
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Hayward Universal H-Series Heaters Models: H150FDN, H150FDP, H200FDN, H200FDP, H250FDN, H250FDP, H300FDN, H300FDP, H350FDN, H350FDP, H400FDN, H400FDP, H500FD





