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if it specifies an L180-100 or matches the HH18HA187 part number
ensuring the system remains locked out until a technician can diagnose the cause of the overheat condition
this component utilizes a solid-state PTC (Positive Temperature Coefficient) device
this zinc-plated crank arm provides a slip-free connection to medium-torque actuators
Lennox 86K78 Relay Kit Els PW 17895 if it specifies an L180-100The 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