MADE IN U.S.A SINCE 1939

Spring Brake Control Valve
(Service Reservoir Priority)

  • 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 for 110700.
  • PLUG UNIT ASSEMBLY 110705 for moveable seat portion repairs, blue shaded area for 110700 & 110701.
  • PLUG UNIT ASSEMBLY 110725 for pressure protection portion repairs, yellow shaded area for 110701.