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.
Jandy R0456400 Air Pressure Switch | For JXi and LXi Heaters
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CA P65 Warning: Cancer and reproductive harm. www.p65warnings.ca.gov
OEM Jandy Air Pressure Switch R0456400 is a precision safety device designed for use in Jandy JXI and LXI pool and spa heaters. It monitors the air pressure within the unit and ensures that ignition only occurs when sufficient airflow is present. This function is crucial for maintaining heater safety and efficiency. Built to last in harsh conditions, the switch helps prevent potential heater damage and supports long-term performance, making it a vital part of your heating system’s operational integrity.
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Designed for Safe Ignition: Allows the heater to activate only when proper internal air pressure is detected, preventing unsafe starts
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Made for JXI and LXI Units: Compatible across multiple Jandy heater models for flexible replacement and dependable fit
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Prevents Operating Errors: Helps avoid damage or performance issues by blocking heater function under poor airflow conditions
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Built to Endure: Uses high-quality, heat-resistant materials capable of withstanding the demands of heater operation
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Supports Long-Term Reliability: Protects heater components by preventing activation during unsafe pressure levels, reducing service needs