Lochinvar & A.O. Smith 100166242 Pressure Switch Els PW 17895 What systems typically use this

What systems typically use this specific wheel size

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

provided the valve body and combined high performance AH actuator are also rated for such temperatures

ensuring a positive "off" position for safety and system isolation

making it suitable for low-pressure steam service

Lochinvar & A.O. Smith 100166242 Pressure Switch Els PW 17895 What systems typically use thisThe 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