When replacing an existing McDonnell & Miller probe

preventing hunting and improving overall evaporator efficiency

Compact 2x2 inch footprint with a single-hole mount ensures easy installation in crowded electrical panels

OEM Compatibility: Direct replacement for York S1-026-34628-000

Ranco O12-1549 Pressure Control Els PW 17895 When replacing an existing McDonnellThe Ranco O12 1549 Dual Pressure Control is a versatile, commercial grade safety and operational switch designed for HVACR refrigeration units. This dual function control manages both low pressure cut out and high pressure safety limits within a single NEMA 1 enclosure. The low pressure side features a range of 10" Hg to 100 PSI with an adjustable differential of 10 to 40 PSI, while the high pressure side operates from 150 to 450 PSI with a fixed 65