The Jandy Water Pressure Switch R0457000 is a factory-original safety component precision-engineered for Jandy LXi pool and spa heaters. Its job is to continuously verify that water flow through the heat exchanger meets the minimum threshold required for safe heater operation. The moment water pressure dips below acceptable levels, this switch immediately disables the burner to avert overheating and potential damage to internal parts. Built as a genuine Jandy OEM replacement, it provides an exact mechanical and electrical match for all LXi units, making it the trusted choice for maintaining your heater's safety systems.

Key Benefits

• Continuous Water Flow Verification: Confirms adequate water pressure before and during heater operation, automatically shutting the system down when flow becomes insufficient
• Guards Against Dry-Fire Conditions: Stops the heater from running during low-flow or blockage situations, preventing costly internal damage and preserving long-term system integrity
• Precision-Matched for LXi Heaters: Engineered to fit every LXi model without modification, delivering immediate compatibility and reliable sensor accuracy right out of the box
• Weatherproof, Heavy-Duty Build: Constructed from tough, pool-rated materials designed to endure outdoor heat, water exposure, and chemical environments year-round
• Returns Full Safety Protection: A straightforward swap that reinstates your heater's original overheat prevention system, protecting both expensive components and peace of mind

What's Included

• Jandy R0013200 Pressure Switch
• Jandy R00457100 Tubing

Compatibility

• Jandy LXi Heater Models: LXI250N, LXI250NN, LXI400N, LXI400NN, LXI250NC, LXI250NS, LXI400NC, LXI400NS Natural and LXI250P, LXI250PN, LXI400P, LXI400PN, LXI250PC, LXI250PS, LXI400PC, LXI400PS

Specifications

• Brand: Jandy
• Part Number: R0457000

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