Lochinvar & A.O. Smith 100166242 Pressure Switch Els PW 17895 provided it is used with

provided it is used with the correct manifold orifices for the specific gas pressure of the appliance

Doing so creates serious risks of electrical shock and carbon monoxide exposure

replacing a brittle or compressed Goodman furnace gasket during a collector box inspection is essential to prevent pressure switch trips and potential CO leakage

Precise Thermal Protection: Strictly calibrated to open at 250°F and close at 220°F for consistent safety cycles

Rugged 40VA Capacity: Sufficient power overhead to handle modern communicative thermostats and multi-stage relays

Lochinvar & A.O. Smith 100166242 Pressure Switch Els PW 17895 provided it is used withThe Lochinvar & A. O. Smith 100166242 Pressure Switch is a critical safety component designed for precise draft and combustion monitoring in high efficiency heating systems. Set to a fixed . 27" WC (Water Column) trip point, this SPDT (Single Pole Double Throw) switch ensures that the inducer motor or blower is generating the correct static pressure before allowing the ignition sequence to proceed. As a veteran tech, you know that a failing switch