Reference the Itron B42 capacity tables to confirm the 757623 part number matches your performance requirements

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

ensuring the 1-inch shaft diameter matches existing bearing tolerances

ensuring drop-in fitment for York

Dwyer Instruments CXA-R1 Pressure Switch 321702-401 Reference the Itron B42 capacityThe 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