Lennox 71L20 Wiring Harness 318518-761 Universal compatibility across various Maxon

Universal compatibility across various Maxon gas-fired heating and cooling process systems

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

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

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

While functionally a 10k ohm thermistor

Lennox 71L20 Wiring Harness 318518-761 Universal compatibility across various MaxonThe 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