Lochinvar & A.O. Smith 100111120 Pressure Switch 328140-751 and Arcoaire models

and Arcoaire models

Industrial Build: Rated for 208-230V systems with a robust motor winding for long-term reliability

This 1/2" NPT zone valve features a 1

this model is not Class 2 rated

Reliable switching for consistent system performance

Lochinvar & A.O. Smith 100111120 Pressure Switch 328140-751 and Arcoaire modelsThe Lochinvar & A. O. Smith 100111120 is a high precision . 80" WC air pressure switch designed for critical safety monitoring in gas fired water heaters and residential or commercial boilers. As a veteran technician knows, the pressure switch is the primary safety interlock that verifies the inducer motor is moving sufficient combustion air through the heat exchanger before allowing the ignition sequence to proceed. This OEM component is calibrated