Utica-Dunkirk 2272134 Pressure Switch 323613-751 For service calls requiring a

For service calls requiring a reliable

this unit operates on a 115-127V/60Hz single-phase power supply and is optimized for use with R134a refrigerant

ensuring it meets original factory specifications for 115V/60Hz circuits

This OEM Viessmann part ensures reliable combustion regulation

Do I need to apply RTV silicone with these gaskets

Utica-Dunkirk 2272134 Pressure Switch 323613-751 For service calls requiring aThe 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