Binary Switch With R-134a Discharge Port

Add an R-134a discharge port, and a high low pressure switch without modifying the system.   The adapter screws onto a high side R-12 switch port, the old valve core has to be removed.  The switch includes the wires, which splice into the wire on the compressor.   The pressure switch operates at the pressures listed below:

High Cut in 23KG / high cut out 31.4KG
Low cut in 2.0KG / Low cut out 1.5KG