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- Service reservoir priority systems simultaneously provide tractor supply air to fill the reservoir(s) & release the spring brakes when trailer reservoir(s) are empty.
- When trailer air reservoir is full, valve delivers air to spring brake chambers immediately due to valve relay feature.
- Four delivery ports available, 2 downward facing & 2 side facing.
- Designed for use with 2,800 cu in jumbo &/or 1,400 cu in air reservoirs.
- Complies with all regulations of FMVSS 121 & CMVSS 121
- Dimensions: Height 3.51” – Width 2.88” – Depth 4.05”
- Approximate Weight: 2.16 lbs.
- Mounting Hardware – See Air Valves & Related Products / Mounting Hardware
- Air Piping Diagrams – See Technical / Air Piping Diagrams, multiple diagrams are applicable.
- PLUG UNIT ASSEMBLY 110515 for pressure protection portion repairs, yellow shaded area
- PLUG UNIT ASSEMBLY 110705 for moveable seat portion repairs, blue shaded area
