Utica-Dunkirk 2272134 Pressure Switch 318423-701 ensure you are using the

ensure you are using the correct orifice and regulator settings as specified in the Reznor technical manual for your specific gas type

ensuring exact climate regulation for L Series

typically allowing for any position from upright to 90 degrees to ensure proper diaphragm function

Reliable Safety Integration: Directly interrupts the thermocouple circuit to shut down gas flow

as well as several Btu/hr rated power-vented gas-fired heaters

Utica-Dunkirk 2272134 Pressure Switch 318423-701 ensure you are using theThe Utica Dunkirk 2272134 Pressure Switch is an essential safety component engineered specifically for condensing gas boilers and high efficiency HVAC systems. Designed to monitor the differential pressure within the venting system, this 0. 5" WC (water column) switch ensures your unit maintains stable combustion air flow. It functions as a critical safety interlock, opening or closing the electrical circuit to prevent operation under dangerous