Lochinvar & A.O. Smith 100166242 Pressure Switch Els PW 17895 Rugged 40VA Capacity: Sufficient power

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

Always verify the part number against your specific model's exploded view diagram

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

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

Key Benefits Enhanced Conductivity: Utilizes brass and copper conductors rather than steel to reduce heat and improve electrical transfer

Lochinvar & A.O. Smith 100166242 Pressure Switch Els PW 17895 Rugged 40VA Capacity: Sufficient powerThe 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