R0457200 | Jandy High Limit Switch Set for LXi Heaters | 130F and 150F

OEM Jandy High Limit Switch Set R0457200 is a factory-designed safety package for Jandy LXi pool and spa heaters, offering reliable protection against overheating. This set includes two high limit switches that activate when water temperatures exceed safe thresholds, triggering a shutdown to prevent damage to the system. Designed for redundancy, both switches work together to maintain continuous safety in the event of a sensor failure. Built to Jandy’s OEM standards, the R0457200 switch set helps extend heater life and ensures uninterrupted, safe operation across LXi models.

Highlights

• Prevents Heater Overheating: Shuts the heater off when temperatures exceed a preset safety limit, protecting key internal components from damage

• Dual Switch Redundancy for Reliability: Includes two limit switches that offer backup protection, ensuring safety even if one switch fails during operation

• Engineered for Jandy LXi Heaters: Designed for compatibility with the full LXi series, providing a direct fit and optimal system integration

• OEM Durability and Performance: Manufactured using heat-resistant materials and tested to meet Jandy’s specifications for long-term safety reliability

• Direct Replacement for Easy Repairs: Ideal for restoring your heater’s built-in safety system, with straightforward installation and no modifications needed

Includes

• (1) Jandy R0457300 130F High Limit
• (1) Jandy R0023000 150F High Limit

Compatibility

• Jandy LXi Heaters
• Jandy Legacy LRZE/LRZM Heaters

Additional Info

R0457200 High Limit Switch Set – 130F & 150F Safety Shutoffs

R0457200 includes two critical temp switches for Jandy LXi heaters

shuts down heater at 130°F or 150°F to prevent overheating damage

part of internal heater safety circuit – replace both as a pair

used in LXi250, LXi400, and compatible LRZE and LRZM units

restores protection from temperature spikes and blocked flow

Jandy Heater Limit Switches R0457200 – Dual Temp Safety Components

130F (R0457300) and 150F (R0023000) switches monitor heater temp

protects heater heat exchanger and electronics from overheating

OEM switch set includes two factory-calibrated safety cutoffs

install R0457200 if heater randomly shuts off or shows hi-limit fault

great for annual safety check or heater system rebuilds

Pool Heater High Limit Set R0457200 – For LXi and Legacy Heaters

part R0457200 required for safe heater operation above 100°F

works in series to provide layered protection for water temps

install behind heater panel on high limit sensor plate

replacement set prevents short cycling from failed limit switches

includes both 130-degree and 150-degree safety switches

Diagram