Trinary A/C Safety Switches
From TBI Products
This Trinary switch provides 3 essential air conditioning functions. It Protects the system (by disengaging the compressor clutch) from excessive high pressures or low system pressures plus it will automatically turn on an electric radiator fan as needed for maximum system performance.
Don't forget to install a safety switch. Most compressor failures result from this oversight. Also, many A/C manufacturers will void the warranty if a safety switch is not installed.
Trinary Safety Switch with relay & male threads
A/C Trinary Safety Switch - with Relay & Female Threads
Female safety switches have a built in schrader valve that allows replacement of your safety switch without loosing your ac charge.
A/C Safety Switch - Male/Female Adaptor
TBI Products offers this brass fitting to convert a female safety switch port to a male port. most commonly used in a dryer but can also be sued on almost any inline safety switch . The advantage of using this type of safety switch is this fitting has a built in schrader valve so if you need to remove or replace the switch you will not loose your refrigerant charge.