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.
FDXLHLI1930 | Hayward High Limit Kit For FD H-Series Heaters
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CA P65 Warning: Cancer and reproductive harm. www.p65warnings.ca.gov
OEM Hayward High Limit Kit FDXLHLI1930 is a vital safety component engineered for FD H-Series Low NOx heaters, designed to shut down the system if internal temperatures rise above safe operating levels. This high-quality kit prevents overheating that can damage heater components and compromise performance. Built with durable, heat-resistant materials, it offers long-term reliability in demanding pool environments. Whether used during routine service or emergency replacement, this high limit kit helps preserve your heater’s safety, functionality, and efficiency.
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OEM Safety Solution for FD Heaters: Specifically designed for Hayward Low NOx models to regulate safe temperature thresholds
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Automatically Shuts Down When Overheating: Interrupts heater operation if temperatures exceed limits, helping prevent system damage
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Constructed for Long-Term Reliability: Made from high-grade materials to endure repeated thermal cycling and exposure to harsh conditions
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Ideal for Routine Maintenance or Emergency Use: Ensures heater remains operationally safe during both preventive service and urgent repairs
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Preserves Heating Efficiency and Lifespan: Critical to maintaining consistent performance and protecting internal components from heat stress
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Hayward H-Series Heaters Models: H150FDN, H150FDP, H200FDN, H200FDP, H250FDN, H250FDP, H300FDN, H300FDP, H350FDN, H350FDP, H400FDN, H400FDP, H500FD
