R0023000 | Jandy Hi-Limit Switch for Heaters | 150F

OEM Jandy Hi-Limit Switch R0023000 is a critical safety device designed to prevent overheating in a wide range of Jandy and Teledyne Laars pool and spa heaters. Calibrated to trigger a system shutdown at 150°F, this switch ensures that the heater operates within safe temperature limits, preventing damage to internal components caused by excessive heat. It's compatible with several popular models, including those in the Legacy and Lite2 series. As a direct OEM replacement, it offers reliable protection and supports the long-term safety and performance of your heating system.

Highlights

• Activates at 150°F to Prevent Overheating: Automatically shuts off the heater when internal temperatures exceed safe operating limits, protecting components from thermal damage

• Maintains Safe System Functionality: Helps ensure your heater runs within proper temperature ranges, preventing dangerous conditions and promoting user safety

• Fits Multiple Jandy and Laars Models: Designed for compatibility with a variety of heaters, including many Legacy and Lite2 systems, for versatile application

• Supports Long-Term Equipment Reliability: Plays a crucial role in protecting the system’s heat exchanger and controls, reducing wear caused by overheating events

• Genuine OEM Replacement Quality: Manufactured to Jandy specifications for dependable function and accurate temperature detection over time

Includes

• (1) Jandy R0023000 Hi-Limit Switch

Compatibility

• Jandy LXi Heaters
• Jandy Legacy LRZE and LRZM Heaters
• Jandy Lite2 LD, LG, LJ Heaters
• Jandy LX and LT Heaters
• Jandy Laars ESG and ESC Heaters

Note: This Hi-Limit Switch may be compatible with your system, please refer to your owners manual to ensure compatibility.

Additional Info

R0023000 Hi-Limit Switch – 150°F Overheat Cutoff For Jandy Heaters

R0023000 shuts down heater at 150°F to prevent overheating damage

essential safety part for Jandy and Teledyne Laars heater protection

replace failed hi-limit switch with OEM part R0023000

works with Jandy Lite2, Legacy, LXi, and ESG models

heater overheating or won’t fire? Check hi-limit switch R0023000

Jandy Heater Safety Switch R0023000 – Temperature Shutdown Sensor

part R0023000 trips when internal temp exceeds 150 degrees

protects pool and spa heater from unsafe high-heat conditions

R0023000 fits heaters like LRZE, LRZM, LXI250, LJ175, and more

switch helps maintain safe heater cycling and performance

easy to install overheat sensor with 2-wire connection

Pool Heater Overheat Switch R0023000 – OEM Shutoff Control

install R0023000 in high-limit port to monitor max temperature

part R0023000 recommended for regular service and safety checks

built for long-lasting heat protection in pool heater chambers

replace switch R0023000 to fix false shutdown or ignition lockout

trusted replacement for temperature safety in Jandy gas heaters

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