Lennox 79J89 Limit Switch allowing for the fine-tuning of

allowing for the fine-tuning of stroke length and torque delivery between the actuator and the damper blades

this model is housed in a NEMA 1 enclosure intended for indoor

it can replace a 1-pole contactor if the wiring allows for both legs of the circuit to be switched

Common Questions What is the maximum close-off pressure for this valve

eliminating the need for separate sockets or mounting rails

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