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.
R0457400 | Jandy High Limit Switch Harness for LXi and LRZE Heaters
Fits these models (2)
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CA P65 Warning: Cancer and reproductive harm. www.p65warnings.ca.gov
OEM Jandy High Limit Switch Harness R0457400 is a key electrical component used in Jandy LXi and LRZE pool and spa heaters. This harness connects the high limit switches directly to the control board, enabling proper safety communication within the system. It plays a crucial role in ensuring the heater shuts off when unsafe temperatures are detected, preventing overheating and equipment damage. Built to Jandy OEM standards, it guarantees durability, long-term reliability, and easy integration into supported models. Replacing a worn or damaged harness restores accurate safety operation and ensures continued heater performance.
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Critical Electrical Link for Safety: Transfers signals between the high limit switches and the control board to ensure accurate temperature protection and system shutdown
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Protects Against Overheating Risks: Supports the heater’s built-in safety features by allowing real-time response when temperatures rise above safe thresholds
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Compatible with LXi and LRZE Heaters: Designed for seamless use in Jandy’s LXi and LRZE models, offering a direct fit and quick replacement
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OEM-Approved Construction: Made with high-grade materials and tested to meet factory standards for insulation, signal reliability, and long-term durability
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Simple, Direct Replacement Part: Ideal for restoring full safety functionality in your heater, with a hassle-free installation that keeps your system running smoothly
- (1) High Limit Harnes
- (2) Cut Washers
- Jandy LXi Heaters
- Jandy Legacy LRZE Heaters
