Murray Climate Control Multi-Purpose Switch - 20963 Part #: 20963 Line: MRY Murray Climate Control Multi-Purpose Switch 1 Year Limited Warranty Color: Black Material: Steel Type: Trinary Terminal Type: Pin Connector Gender: Female Connector Shape: Square Number Of Terminals: 4 Fitting Thread Size: M10-1.25 Off Pressure (psi): 22/199/440 psi On Pressure (psi): 25/240/260 psi Number Of Connectors: 1 Fitting Gender: Male Open At 0 psi: Yes Show More Show Less