Carrier HH680502 Limit Switch 318172-701 Heavy-Duty Construction: Aluminum blades and

Heavy-Duty Construction: Aluminum blades and steel spider provide corrosion resistance in outdoor salt-spray or high-humidity conditions

but never install a motor with a significantly lower amp draw than the original component

Can I replace the coil without removing the valve body

ensuring precise thermal management and safety in both commercial and residential environments

By effectively "slinging" condensate and external moisture away from the motor housing

Carrier HH680502 Limit Switch 318172-701 Heavy-Duty Construction: Aluminum blades andThe Carrier HH680502 Limit Switch is a critical safety component designed for precise thermal monitoring in residential and commercial furnaces. This 90 120F auto reset limit switch functions as a primary high limit control, specifically engineered to open the electrical circuit if internal plenum temperatures exceed the 120F threshold. Once the heat exchanger cools to the 90F reset point, the switch automatically closes, restoring system operation.