Reznor 136736 Limit Switch

The Reznor 136736 is a critical safety component engineered for precise temperature monitoring in commercial and industrial HVAC systems. This 200F manual reset limit switch serves as a high-limit thermal safeguard, designed to interrupt the control circuit and shut down equipment before overheating occurs. Unlike automatic reset switches, the manual reset functionality on this OEM Reznor part ensures that a technician must inspect the system and address the underlying cause of a high-temperature event—such as a blocked vent, failed blower motor, or restricted airflow—before the unit can be placed back into service. Built to withstand demanding environments, it is commonly utilized in Reznor unit heaters, duct furnaces, and industrial dryers. When diagnosing a tripped limit switch, verify gas pressure and heat exchanger integrity to ensure system safety. This HVAC high limit control provides reliable circuit protection to maintain operational integrity and prevent equipment damage due to excessive thermal loads.

• Enhanced Equipment Safety: The Reznor 136736 prevents automatic restarts, requiring a professional assessment to ensure the system is safe for operation.
• Precision Thermal Trip: Calibrated to trigger at 200 degrees Fahrenheit, providing a reliable threshold for high-temperature protection.
• OEM Compatibility: This is a genuine Reznor replacement part, ensuring direct fitment and manufacturing consistency in compatible heating units.
• Durable Construction: Engineered to hold up under the high-cycle demands of industrial furnaces, kilns, and unit heaters.

• Why does my Reznor heater keep tripping the 136736 manual reset limit switch? A trip usually indicates inadequate airflow across the heat exchanger, a blocked vent pipe, or a malfunctioning blower motor that is failing to dissipate heat properly.
• Can I replace a manual reset switch with an automatic reset switch? No. For safety reasons, you must always use the reset type specified by the manufacturer for your specific model to prevent dangerous cycling on a high-limit condition.
• How do I test if the Reznor 136736 switch is faulty? Use a multimeter to check for continuity across the terminals. If the switch is cool and not tripped, it should show a closed circuit. If it remains open after cooling and pressing the reset button, the switch typically requires replacement.

This item is not eligible for free shipping.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.