color indicates the specific tension range

The SPDT contact configuration (Single Pole Double Throw) provides versatile switching capabilities

If your application requires an auxiliary end switch (4-wire setup) for burner or pump sequencing

The adjustable trip point spans 1

you should never replace a 440V capacitor with a 370V unit like the 12726

Ranco O16-557 Pressure Control Els PW 17895 color indicates the specific tensionThe Ranco O16 557 Pressure Control is a heavy duty single low pressure control engineered for precision sensing in commercial refrigeration and HVACR systems. Built with a NEMA 1 enclosure and a robust plated steel frame, this SPDT pressure switch provides flexible control, allowing for "open high" or "open low" operations. It features an adjustable 12" WC to 50 PSI pressure range and a field tunable 5 to 35 PSI differential, ensuring stable