Dwyer Instruments 1950-10-2F Pressure Switch 322056-301 For technicians performing preventative maintenance

For technicians performing preventative maintenance or diagnostic troubleshooting on Patterson-Kelley hydronic systems

and clear identification labels to maintain HVAC safety compliance during the transition from natural gas to propane

Optimized Combustion: Designed to meet original factory specs for rapid burner light-off

the Setra 231G-MS2-2F-N is compatible with any liquids or gases that are non-corrosive to 17-4 PH stainless steel

Dwyer Instruments 1950-10-2F Pressure Switch 322056-301 For technicians performing preventative maintenanceThe Dwyer Instruments 1950 10 2F Pressure Switch is a rugged, compact solution designed for contractors managing differential pressure monitoring in hazardous environments. This unit integrates the reliable switching of the 1900 series into a specialized explosion proof housing, rated for Class I, Div. 1, Groups C and D, as well as Class II and III atmospheres. With an adjustable range of 3 to 11 inches w. c., it provides precise control for air and