Armstrong Furnace R40406-007 Pilot Assembly Els PW 17895 Versatile Signaling: The SPDT contact

Versatile Signaling: The SPDT contact arrangement allows the switch to be used for both "high-limit" safety shutoffs and "low-limit" airflow proofing

Because this model uses a bimetal thermometer and snap-action contacts rather than a mercury bulb

007" orifice provides a calibrated restriction essential for balancing pneumatic control loops

It serves as an essential component for technicians seeking a primary or secondary terminal unit control solution that facilitates rapid field servicing

Technicians can rely on this factory-authorized part for a drop-in fit

Armstrong Furnace R40406-007 Pilot Assembly Els PW 17895 Versatile Signaling: The SPDT contactThe Armstrong Furnace R40406 007 Pilot Assembly is a critical OEM component designed for precise ignition and flame sensing in gas fired heating systems. This natural gas pilot assembly functions as the direct factory replacement for the legacy R40406 002 model, ensuring a seamless drop in fit for technicians servicing older Armstrong, AirEase, and Concord units. Engineered to provide a stable pilot flame under varying gas pressures, this assembly