Armstrong Furnace R43127-001 Flame Sensor Premium American-Made Quality: Machined from

Premium American-Made Quality: Machined from domestic high-copper brass for superior corrosion resistance and durability compared to low-quality imports

this manual reset thermal switch is specifically designed for air intake or burner door monitoring

offering a compatible fit for various York heating and cooling units

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 Premium American-Made Quality: Machined fromThe 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