This specific model is calibrated for Natural Gas at 4" WC

HVAC contractors recommend the 11177103 OEM switch to guarantee the exact inches of water column (WC) trip point

efficient air distribution

ensuring drop-in fitment for York

Reliable Switch Action: Dust-tight SPST contacts provide dependable open high logic for critical protection applications

Dwyer Instruments CXA-R1 Pressure Switch 321702-401 This specific model is calibratedThe Dwyer CXA R1 Pressure Switch is a contractor grade water pump pressure control designed for heavy duty applications. This normally open switch features a 15 80 psig range and is engineered with a DPST snap action to maintain precise system pressure. The 15 30 psig adjustable deadband allows technicians to fine tune the differential, reducing short cycling in pump control systems. Built for versatility, the CXA R1 includes a 1 4" female NPT process