Found In These Collections
The OEM Jandy Hi-Limit Switch R0022700 is a safety device designed to prevent overheating in a variety of Jandy and Laars pool and spa heaters. This switch is set to trigger at 135°F, ensuring that the heater shuts down if the temperature exceeds this safe limit. It is compatible with a wide range of models, including the Jandy Lite2 LD, LG, LJ, as well as the LX/LT series. The hi-limit switch is a critical component for maintaining the safe operation of your pool or spa heating system, protecting both the equipment and users from potential overheating hazards.
Highlights
- Essential Safety Device: This hi-limit switch is designed to prevent overheating by shutting down the heater when the temperature reaches 135°F, providing crucial protection for your pool or spa heating system.
- Reliable Overheat Protection: By ensuring the heater operates within safe temperature limits, this switch helps prevent potential damage to the equipment and safeguards users from overheating hazards.
- Broad Compatibility: Compatible with a variety of Jandy and Laars heater models, including the Lite2 LD, LG, LJ, and LX/LT series, this switch offers a versatile and reliable solution for maintaining the safety of multiple heating systems.
- Critical Maintenance Component: As a vital part of your heater’s safety mechanisms, the hi-limit switch contributes to the long-term safety and efficiency of your pool or spa system, making it an essential replacement part for regular maintenance.
Includes
- (2) Jandy R0022700 Hi-Limit
Compatibility
- Jandy Laars EPS and EPC Heaters
- Jandy Lite2 LD, LG, and LJ Heaters
- Jandy LX and LT Heaters
Note: This Hi-Limit may be compatible with your system, please refer to your owners manual to ensure compatibility.
Additional Info
Online R0022700 High-Limit Switch – For 135°F Heater Safety Shutdown
buy Jandy R0022700 hi-limit switch online with fast shipping
ships fast – R0022700 in stock for Jandy and Laars heater repairs
free shipping available on safety sensor R0022700 orders
works with Jandy Lite2, LX/LT, and Laars EPC, EPS heater models
part R0022700 prevents thermal runaway in heat exchanger systems
135°F Safety Switch R0022700 – Prevents Heater Overheat Issues
R0022700 turns off ignition and fan at critical heat threshold
ideal for spas and pool heaters operating in high ambient temps
restore heater safety features with new R0022700 switch
used in all major Jandy heater control configurations
OEM safety solution for water temp regulation and system shutdown
R0022700 Heater Hi-Limit – Temperature Monitoring for Overheat Protection
part R0022700 helps extend life of heater by preventing over-temp wear
sensor used in pool heaters with older circuit board systems
heat limit switch helps prevent dangerous temperature surges
install during high-limit fault troubleshooting or system reset
includes one OEM R0022700 hi-limit with standard terminals
Diagram

Questions & Answers
Have a Question?
Be the first to ask a question about this.