For technicians servicing GC solenoid valves

Can I use this for heat pump applications

Its SPDT configuration allows for versatile normally open (NO) and normally closed (NC) operational logic

Common Questions What happens if the slinger ring fails

Reliable Construction: Built to withstand the thermal cycling typical of intensive hydronic applications

Lennox 20J83 Limit Switch For technicians servicing GC solenoidThe Lennox 20J83 Limit Switch (Model 20J8301) is an essential HVAC OEM replacement part engineered for precise thermal management in high efficiency furnaces. This single pole, single throw (SPST) automatic control is factory calibrated to actuate at 165F, effectively breaking the circuit to prevent heat exchanger damage or unsafe operating conditions. Once the plenum temperature cools to 135F, the switch automatically resets, restoring normal system