Refrigerant Cap Locks Offer a unique way to prevent access by unauthorized individuals. Cap locks fit standard Schraeder service valve on all central AC units and minisplits. Precision machined from high-grade brass surrounded by a protective aluminum shroud.
INSTALLATION INSTRUCTIONS To ensure proper performance, head pressure control valves must be selected and applied correctly. This is covered thoroughly in Bulletin 90-30. However, proper installation procedures are equally important.
By clicking "Accept All Cookies", you agree to the storing of cookies on your device to enhance site navigation, analyze site usage, and assist in our marketing efforts.