RV103061 - Spring Brake Valve (1/2" Nut) (2)

Supply (1): 1/4"
Delivery (4): 3/8"
Reservoir (1): 1/2"
Service: 2 @ 1/4"
Exhaust: 3/8"

Meets FMVSS-121 requirements. Used on trailers with dual air brake systems. Ability to release the spring brakes at least once prior to the application.