The Jandy High Limit Temperature Sensor Kit R0592300 is a vital safety component for Jandy JXI pool and spa heaters, purpose-built to monitor and react to dangerously elevated water temperatures. This dual-sensor package positions one sensor at the heat exchanger's first pass with an activation threshold of 135°F (57°C), and a second sensor at the outlet that triggers at 150°F (65°C). When either sensor registers temperatures beyond these safe boundaries, the gas valve closes immediately and combustion ceases, preventing overheating damage. Manufactured to genuine OEM specifications, this kit is fundamental to protecting your heater and ensuring safe, sustained operation.

Note: To identify the correct part, you will need to know the model number, serial number and type of gas when applicable. This information can be found on the rating plate sticker, which is located inside the heater on the outside of the combustion chamber.

Key Benefits

• Critical Thermal Safety Device: Monitors heater water temperature to stop dangerously hot water from circulating through your pool or spa system
• Two-Sensor Monitoring System: Features sensors at two strategic heater locations with activation points at 135°F and 150°F for layered thermal protection
• Automatic Emergency Shutdown: Instantly disables combustion and seals the gas valve the moment temperatures surpass factory-set safety thresholds
• Safeguards Heater Components: Protects internal heating elements from thermal damage, supporting extended equipment life under heavy-use conditions
• Precision-Engineered for JXI Models: Created specifically for Jandy JXI heaters to deliver exact fitment and trustworthy thermal safety response

Compatibility

• Jandy JXi Heater Models: Xi200N, JXi200NK, JXi200P, JXi200PK, JXi260N, JXi260NK, JXi260P, JXi260PK, JXi400N, JXi400NK, JXi400NN, JXi400P, JXi400PK, JXi400PN, JXi260NC, JXi260PC, JXi400NC, JXi400PC

Specifications

• Brand: Jandy
• Part Number: R0592300

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