Lennox 71L20 Wiring Harness 318518-761 Silver-Cadmium Oxide Contacts: Resists arcing

Silver-Cadmium Oxide Contacts: Resists arcing and pitting under high inductive loads to ensure consistent electrical conductivity

this replacement bucket is compatible with Armstrong 811 series steam traps

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

including legacy 767A-311 models

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

Lennox 71L20 Wiring Harness 318518-761 Silver-Cadmium Oxide Contacts: Resists arcingThe 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