We are doing scheduled site maintenance. The site may feel slow and unresponsive at times. We're sorry for the inconvience.

Investors Relations & Haldex information

Emergency Relay Valve

Part no. KN30100
item status Active
Product line Haldex
Emergency Relay Valve , Suitable for pre-121 trailers, converter dollies or exempt trailers., Has automatic bleed down feature., Approximate Weight 3 lbs., FOR USE IN AIR HYDRAULIC SYSTEMS ONLY - DO NOT USE THEM TO CONTROL SPRING BRAKESNotes
  1. 3/8"-18 auxiliary reservoir port on bottom of valve drilled and tapped for use in air hydraulic systems. Do not use them to control spring brakes., Repair Kit use part number RN10HL.
Availability - If no Inventory shown, call regional CS
USA 75 standard packs in stock
Canada 1 standard packs in stock
blobid0.png WARNING
Cancer and
Reproductive Harm

Technical specs

Service Inlet 1/4"
Emergency Inlet 1/4"
Delivery (4) 1/4"
Auxiliary Reservoir Plugged
Reservoir 3/4"
Crack Pressure 3.0 PSI
Remarks See Notes
OEM Part Number N4301A
Approximate Weight 3 lbs.


Forgot your password?
Don't have an account? Please register here