Lennox 37J56 Circuit Breaker Switch it enables the proportional control

it enables the proportional control necessary for air handling units

ensuring proper alignment with the mounting base and internal bimetal elements

while the durable metal mounting plate ensures a secure

providing critical freeze protection or defrost termination cycles within the refrigeration circuit

Lennox 37J56 Circuit Breaker Switch it enables the proportional controlThe Lennox 37J56 Circuit Breaker Switch (also identified as 37J5601) is an OEM grade fuseholder type thermal circuit breaker engineered for high precision overcurrent protection in residential and commercial HVAC systems. Rated for 3 Amps at 250V, this single pole thermal breaker serves as a critical safety component, protecting transformers (T1) and control boards from electrical damage. Designed with a robust panel mount housing, it features a push