This is a brand new Binary Safety Switch. This High/Low Compressor Safety Switch is a 2 function switch and it protects the system from excessive high or low system pressures.  Compatible with all refrigerant types.  Plug and wire included for easier installation.

Switch Pressures:

LOW is OFF @ 28PSIG - ON @ 29PSIG

HIGH is OFF @ 454PSIG - ON @ 369PSIG