THIS PROTECTS YOUR TANK AND COMPRESSOR IF THE PRESSURE SWITCH FAILS
(YOU CAN ADAPT TO LARGER SIZES WITH HARDWARE STORE FITTINGS)
USUALLY FOR A TWO STAGE COMPRESSOR
DON'T KNOW WHAT PIPE THREAD COMPRESSION SIZE YOU HAVE? YOUR LOCAL HARDWARE STORE CAN HELP.
CORRECTION: 1/4 INCH NPT PIPE THREAD
