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the S1-331-03005-000 ensures reliable communication between the thermostat inputs and system components like the blower motor and gas valve
the AFS-405-121 is equipped with gold-clad SPDT contacts
though the ports are standard for Burnham boiler components
providing accurate modulation and equal percentage flow characteristics required for consistent climate control in commercial HVAC systems
provided the spring is not under full tension
Armstrong Furnace R45408-001 Wire Harness 321042-401 the S1-331-03005-000 ensures reliable communicationThe Armstrong Furnace R45408 001 Wire Harness is a critical OEM replacement component designed to ensure precise electrical connectivity and signal transmission within your heating system. Engineered for high temperature resilience and long term durability, this HVAC wire harness assembly facilitates seamless communication between the furnace control board and peripheral sensors. As a genuine Lennox Armstrong repair part, it eliminates the risks
US$ 28.95
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