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Chrome-bevel sheet on grid paper — specs and return notes filed under the bay.
If the pressure exceeds -
Common Questions: Why is my Lennox furnace failing to sense a flame
making it suitable for fans and small pump motors
verifying the potential relay or current relay specs is the first step
York S1-024-36052-007 Pressure Switch If the pressure exceeds -The York S1 024 36052 007 is a critical safety component designed for precise vent pressure monitoring in residential gas furnaces. Rated at 0. 71 IWC (Inches Water Column), this differential air pressure switch ensures the draft inducer motor is moving sufficient combustion air before allowing the ignition sequence to proceed. As a veteran tech knows, a failed pressure switch is often a symptom of blocked venting, a restricted heat exchanger, or a