Armstrong Furnace R42640-001 Ignitor/Sensor 30067439-890 Utilizing this genuine Barber Colman

Utilizing this genuine Barber Colman replacement part guarantees dimensional accuracy

With the power disconnected and the switch at room temperature

it can safely replace 370V versions while providing increased dielectric strength

The Sporlan 3227-00 has a maximum working pressure (MWP) of 500 psi

Armstrong Furnace R42640-001 Ignitor/Sensor 30067439-890 Utilizing this genuine Barber ColmanThe Armstrong Furnace R42640 001 Ignitor Sensor is a critical OEM replacement part designed for precise ignition and flame rectification in residential HVAC systems. Engineered as an ignitor sensor less pilot assembly, this component ensures reliable burner cycles by providing the necessary spark and feedback signal to the furnace control board. Transitioning to a high performance silicon nitride ignitor configuration often improves longevity over