Description
Keep your Reznor heating system operating safely and reliably with the Reznor 86979 Limit Switch, a genuine OEM temperature safety control designed for commercial and industrial HVAC equipment. This automatic limit switch monitors internal temperature and helps prevent overheating by interrupting system operation when temperatures reach unsafe levels. Once temperatures return to normal, the switch automatically resets — helping protect your equipment and reduce unnecessary downtime.
Key Features
- Genuine OEM Quality: Designed and manufactured to match original Reznor specifications for dependable performance.
- Automatic Temperature Control: Monitors and limits internal heater temperatures between approximately 115–135 °F to prevent overheating.
- Auto Reset Function: Automatically restores operation once temperature drops back into the safe range, reducing service calls.
- Durable & Compact Design: Built for rugged use in commercial and industrial HVAC environments.
- Direct Replacement: Ideal for HVAC technicians and maintenance professionals replacing worn or failed limit switches.







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