Armstrong Furnace R43127-001 Flame Sensor If the furnace blower runs

If the furnace blower runs continuously while the burners remain off

such as clogged filters or failing blower motors

for LPùensuring the burner assembly operates at peak efficiency without the risk of soot accumulation or improper combustion

Johnson Controls F-1000-322 Anti Kink Spring

this tee features 3/8 SAE Flare connections on the run and a 1/4 MPT (Male Pipe Thread) center branch

Armstrong Furnace R43127-001 Flame Sensor If the furnace blower runsThe 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