Williams P271100 Flame Sensor Johnson Controls R-4000-100 Mounting Bracket

Johnson Controls R-4000-100 Mounting Bracket For R-2080

Universal Compatibility: Standard 5/16" hole accommodates common HVAC damper rods and crank arms

What are the signs that my York control relay has failed

including variable speed PV9 2-stage downflow and horizontal models

Johnson Controls T-4000-2645 Gold Plastic Cover

Williams P271100 Flame Sensor Johnson Controls R-4000-100 Mounting BracketThe Williams P271100 Flame Sensor is a critical OEM safety component engineered for precise flame rectification in Williams Forsaire counterflow furnaces. This sensor acts as the primary safeguard for the ignition sequence, utilizing a heat resistant probe to detect the presence of a burner flame. By communicating a microamp signal back to the integrated furnace control, it ensures that the gas valve remains energized only when a steady flame is