0004209124

Large backlit LCD screen

WABCO : 4757100240

3mm - Outlet Ø: 15

9 kg Dimensions 188 x 258 x 152 mm Cross References DAF : 1517963

EBS EKWA.57.7 REPAIR KIT ( RELAY VALVE ) Knipex 0004209124On some trucks & trailers, the distance from the brake chambers to the foot valve is too far to cause immediate application of the brake when the foot valve is depressed. This is called brake lag. To correct this situation, a relay valve is installed near the rear brake chambers. A large diameter pipe is connected between the service reservoir and relay valve. The air line from the foot valve to the relay valve now becomes a control line that signals