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Relay Valve

Part no. KN28300X
item status Active
Product line Reman
Remanufactured Fast Air and Balancing (FAB) Relay Valve
  • Speedup or fast air relay.
  • Used on converter dollies and long wheel base towing trailers to speed the tractor control signal to the rear trailer(s) service brakes.
  • Cover may be rotated without affecting performance or warranty.
  • Approximate Weight: 2.6 lbs.
  1. Two mounting holes: .34 diameter on 1.50" centers.
  2. Repair Kit use part number RN10HT.
Availability - If no Inventory shown, call regional CS
USA 53 standard packs in stock
Canada 12 standard packs in stock
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Cancer and
Reproductive Harm

Technical specs

Supply (2) 1/2"
Delivery (2) 1/2"
Control (1) 3/8"
Crack Pressure 0 PSI
OEM Part Number N30096PA
Core Group 225
Two Mounting Holes .34" diameter on 1.50" centers
Approximate Weight 2.5 lbs.


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