Lennox 86K78 Relay Kit Els PW 17895 this component utilizes a solid-state

this component utilizes a solid-state PTC (Positive Temperature Coefficient) device

It is common for the element to appear yellow until it is installed and the system has been properly evacuated and charged with dry refrigerant

if it specifies an L180-100 or matches the HH18HA187 part number

Contractors utilizing Johnson Controls refrigeration parts will find this assembly compatible with a wide range of non-corrosive refrigerants

ensuring the system remains locked out until a technician can diagnose the cause of the overheat condition

Lennox 86K78 Relay Kit Els PW 17895 this component utilizes a solid-stateThe Lennox 86K78 Relay Kit is a critical 24v 3PDT relay kit engineered for precise switching in professional HVACR systems. As a triple pole double throw relay, this component is designed to manage complex electrical sequences, commonly serving as a defrost relay kit in heat pump configurations. Technicians often source this part when diagnosing issues with compressor control signals or outdoor coil frost management. This genuine OEM assembly ensures