Lennox 71L20 Wiring Harness 318518-761 Confirm loss of continuity across

Confirm loss of continuity across the terminals when the switch is cold

This coil is specifically compatible with a wide range of Emerson/Alco solenoid valves

Relying on 60 amp HVAC fuses with proven reliability is essential for maintaining system uptime and protecting sensitive downstream electrical components from high fault currents

including legacy 767A-311 models

Simplified Maintenance: Equipped with standard Viton bleed screw seals to facilitate easier air purging and system commissioning

Lennox 71L20 Wiring Harness 318518-761 Confirm loss of continuity acrossThe Lennox 71L20 Wiring Harness is a critical OEM replacement component designed specifically for direct connection between the HVAC furnace control board and the gas valve assembly. This harness ensures low voltage signal integrity and consistent power transmission, which are vital for proper sequence of operation and combustion safety. When a harness exhibits high resistance or physical degradation at the connectors, it often manifests as