PART NO : AB8486                          
​

Prevents loss of tractor brakes in case of trailer breakaway or loss of air pressure. Automatically closes off lines and vents trailer side supply between 20 to 45 psi.

MODEL:
7700

CONTROL OUT:
1/2" NPT

SUPPLY OUT:
1/2" NPT

CONTROL IN:
1/4" NPT

SUPPLY IN:
1/4" NPT

*Prices quoted are online only.
 Check with your local Branch for in store pricing.