The Jandy Exhaust Temperature Limit Switch R0329400 is a factory-original safety device engineered to track exhaust heat levels in Jandy LX and LT pool and spa heaters. When exhaust temperatures climb beyond safe operating thresholds, this switch triggers an automatic shutdown to protect the heater from thermal damage and potential component failure. Fitting models including the LX250, LX400, LT250, and LT400, it is constructed for lasting performance and precise OEM integration. Adding this part as part of your regular maintenance routine helps preserve equipment integrity and ensures your heater operates safely and reliably throughout every heating season.

Key Benefits

• Tracks Exhaust Heat in Real Time: Continuously monitors exhaust temperatures and triggers an immediate safety shutdown if dangerous levels are reached
• Safeguards Critical Heater Components: Protects heat exchangers, electronic boards, and other internals from costly thermal damage
• Fits LX and LT Model Lines: Specifically engineered for Jandy LX250, LX400, LT250, and LT400 heaters, ensuring a proper fit and dependable function
• Reliable Fail-Safe Operation: Provides an essential layer of protection during prolonged use or periods of high heating demand
• Rugged OEM-Grade Build: Constructed to Jandy's specifications to perform reliably despite constant poolside heat, humidity, and chemical exposure

What's Included

• Exhaust Temp Limit Switch
• Screws

Compatibility

• Jandy LX Heater Models: LX250, LX400
• Jandy LT Heater Models: LT250, LT400

Specifications

• Brand: Jandy
• Part Number: R0329400

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