3/4" MNPT Compressor Tank Check Valve S_762-1 it is UL listed and

it is UL listed and CSA certified

this plug includes a 3/8" hose barb

offering a maximum working pressure of 230 PSI and maximum airflow delivering 42 SCFM at 125 PSI

The Brake Releaser® uses the trailer's air supply to deliver a powerful stream - dissolving ice crystals built up in the truck’s brake lines

Steel F/F Hex Coupling: 0

3/4" MNPT Compressor Tank Check Valve S_762-1 it is UL listed and3 4" MNPT x 3 4" FNPT tank check valves are used to keep air volume and pressure from escaping back into compressor heads while not operating. The 1 8" FNPT side port is designed for pressure switch application. Maximum pressure of 450 PSI and air flow of 30 SCFM.