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Investors Relations & Haldex information

Relay Valve

Part no. 3100X
item status Active
Product line Reman
Remanufactured Sealco Mini Relay Valve
  • Used to apply and release service brakes on tractor or trailer.
  • 2 port delivery.
  • Crack Pressure: 2.5 PSI
  • Approximate Weight: 2.7 lbs.
  • KN28551 Valve may also be used for this application.


  1. Repair Kit not available.
Availability - If no Inventory shown, call regional CS
Customer Service US 1-800-643-2374
Customer Service CAN 1-800-267-9247
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Cancer and
Reproductive Harm

Technical specs

Reservoir (1) 3/8"
Delivery (2) 1/4"
Control (2) 1/4"
Crack Pressure 2.5 PSI
Approximate Weight 2.7 lbs.
Core Group 210


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