The MARS 61755 is rated for 40 Amps FLA (Full Load Amps) and up to 240 Amps LRA (Locked Rotor Amps) at 240V

For technicians servicing GC solenoid valves

or evaporator coil issues before restoring operation

Common Questions What happens if the slinger ring fails

leak-free braze joint for standard liquid lines

Lennox 20J83 Limit Switch The MARS 61755 is ratedThe 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