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this tee features 3/8 SAE Flare connections on the run and a 1/4 MPT (Male Pipe Thread) center branch
this manual reset thermal switch is specifically designed for air intake or burner door monitoring
If the furnace blower runs continuously while the burners remain off
Armstrong Furnace R43127-001 Flame Sensor This item is not eligibleThe Armstrong Furnace R43127 001 Flame Sensor is a critical OEM replacement part designed for precision flame rectification in residential heating systems. This furnace flame sensor acts as a primary safety component, communicating directly with the integrated furnace control board to confirm burner ignition. If the sensor fails to detect the required microamp signal within the ignition trial period, the system triggers a safety lockout to prevent the
US$ 88.00
US$ 88.00
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US$ 88.00