000 BTU direct-vent wall furnaces

reducing backpressure on the internal spring

utilizing a 1/2" diameter shaft at 2

Always verify your primary supply voltage and the specific wiring schematic of your Daikin HVAC equipment before installation

Common Questions: What boilers use the 560-528-989 orifice

Lochinvar & A.O. Smith 100111120 Pressure Switch 326058-758 000 BTU direct-vent wall furnacesThe 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