the McDonnell & Miller 2-M switch handles high electrical loads with 10

This is the updated factory designation for that part number and provides identical form

Loosen the setscrew on the adjustable flange and rotate the flange to increase or decrease the pitch diameter

providing reliable safety interlocking for furnaces

Carrier 50HEHMRAM-A00 Wiring Harness 328140-751 the McDonnell & Miller 2-MThe Carrier 50HEHMRAM A00 Wiring Harness is a critical OEM replacement part designed for high efficiency Carrier and Bryant packaged units and rooftop units (RTU). Specifically engineered as a factory authorized part, this harness assembly ensures precise electrical connectivity and communication between the package control board and secondary system components. In the field, technicians rely on this specific HVAC wiring harness to restore system