Lennox 42J04 Limit Switch facilitating a robust straight-thru body

facilitating a robust straight-thru body flow configuration

Efficient Field Service: Double-break contacts provide superior arc suppression and extend the life of the DP contactor

ensuring a precise fit for technicians servicing various furnace and boiler models

Proper installation ensures the heater's ignition control module receives the necessary signal to initiate the firing sequence

What type of refrigerant oil is this drier compatible with

Lennox 42J04 Limit Switch facilitating a robust straight-thru bodyThe Lennox 42J04 Limit Switch is a critical OEM replacement part designed for high limit thermal protection in residential and commercial HVAC systems. Engineered to maintain safe operating parameters, this 135 175F Auto Limit Switch features an automatic reset mechanism that interrupts the heating circuit if internal plenum temperatures exceed the 175F threshold, preventing heat exchanger damage and ensuring system safety. This fixed temperature