and thermopile required for the Icon System interface

Precision fitment ensures that 1

Common Questions: Is the 0270F05404 required for all furnace types

These are identical parts

Durable Construction: Heavy-duty forged brass construction manages high mechanical stress and thermal cycling in HVACR service environments

Lennox 81G65 Relay 322055-301 and thermopile required for theThe Lennox 81G65 Latching Relay is a specialized DPDT (Double Pole Double Throw) control component engineered for precise electrical switching in commercial and residential HVAC systems. Operating on a 24VAC 50 60Hz coil, this relay utilizes a magnetic latching mechanism that maintains its contact state without requiring a continuous power signal. This design is essential for HVAC lockout circuits and energy saving control logic where maintaining