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Silver-Cadmium Oxide Contacts: Resists arcing and pitting under high inductive loads to ensure consistent electrical conductivity
Confirm loss of continuity across the terminals when the switch is cold
As a direct replacement for HN52TC024 and 49P11-843
This OEM replacement pilot is essential for maintaining flame rectification standards in residential and commercial heating equipment
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