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.
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FDXLTER1930 | Hayward Thermistor For H-Series FD Heaters
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CA P65 Warning: Cancer and reproductive harm. www.p65warnings.ca.gov
OEM Hayward Thermistor FDXLTER1930 is a precision temperature sensor engineered for Hayward Universal H-Series Low NOx heaters, compatible with models H150FDN, H150FDP, H200FDN, H200FDP, H250FDN, H250FDP, H300FDN, H300FDP, H350FDN, H350FDP, H400FDN, H400FDP, and H500FD. Installed in the manifold adapter inlet, this thermistor regulates the combustion air blower based on water temperature to ensure consistent heating. Built from high-quality materials, it offers long-lasting performance under demanding poolside conditions, helping maintain heater accuracy and efficiency.
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Designed for Universal H-Series Models: Fits Hayward H150FDN, H150FDP, H200FDN, H200FDP, H250FDN, H250FDP, H300FDN, H300FDP, H350FDN, H350FDP, H400FDN, H400FDP, and H500FD
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Regulates Heater Function: Controls blower operation by sensing water temperature, helping to maintain precise heat levels
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Installs at Manifold Inlet: Positioned in the manifold adapter inlet for optimal temperature detection and response
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Built for Poolside Durability: Made from robust materials to resist heat, moisture, and chemical exposure typical of pool environments
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OEM Fit and Reliability: Genuine Hayward part designed for seamless replacement and consistent performance in your heating system
- (1) Hayward FDXLTER1930 Thermistor
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Hayward H-Series FD Heaters Models: H150FDN, H150FDP, H200FDN, H200FDP, H250FDN, H250FDP, H300FDN, H300FDP, H350FDN, H350FDP, H400FDN, H400FDP, H500FD
