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allowing for the fine-tuning of stroke length and torque delivery between the actuator and the damper blades
specifically engineered to interrupt electrical faults and short circuits before they can damage transformers or integrated furnace control (IFC) boards
Durable Construction: Built with high-temperature resistant materials to endure frequent ignition cycles without electrode degradation
Universal Surface Mount: Standard mounting bracket configuration allows for easy field replacement on most major residential water heater brands
Common Questions What is the maximum close-off pressure for this valve
Lennox 79J89 Limit Switch allowing for the fine-tuning ofThe Lennox 79J89 Limit Switch is a critical OEM replacement part designed for precise thermal regulation in Lennox residential and commercial furnaces. This 140 170F AUTO Limit Switch functions as a primary safety mechanism, monitoring internal plenum temperatures to prevent heat exchanger damage or unsafe operating conditions. Engineered with a 170F cut out temperature and a 140F cut in temperature, this automatic reset limit switch ensures the