this differential air pressure switch utilizes a silicone diaphragm and a snap-acting SPDT switch to monitor air velocity and pressure drops across filters or coils

technicians should inspect the heat exchanger

Built for compatibility with the Spence T14 temperature pilot and Type E main valves

Smith 100110517 ensuring exact physical fit and electrical continuity

To maintain the UL listing and safety profile of the equipment

Rheem-Ruud AP14551E Pressure Switch 322055-301 this differential air pressure switchThe Rheem Ruud AP14551E Pressure Switch is an essential safety component designed for precise monitoring of combustion air pressure within high efficiency furnaces and condensing water heaters. This SPST pressure switch is calibrated to detect specific pressure differentials, ensuring that the inducer motor is effectively venting flue gases before the ignition sequence initiates. Built for durability in high demand environments, the AP14551E air