Installation Instructions

Vadle with supplied clip

AY McDonald screw style curb box with
	3/4" Mueller 300 Ball Valve
	1" Mueller 300 Ball Valve
	3/4" AY McDonald Ball Valve
	1" AY McDonald Ball Valve

AY McDonald slide style curb box with 3.5" arch opening with
	3/4" Mueller 300 Ball Valve
	1" Mueller 300 Ball Valve
	3/4" AY McDonald Ball Valve
	1" AY McDonald Ball Valve

94 E Imported Curb Box with
	3/4" Mueller 300 Ball Valve
	1" Mueller 300 Ball Valve
	3/4" AY McDonald Ball Valve
	1" AY McDonald Ball Valve
  • Place the anti-twist clip on the neck of the curb stop.
  • Slide the Vadle under the valve and clip. The clip will lock in place when properly installed.
  • Place the curb box over the Vadle.
  • Backfill on all sides in equal lifts.
Many valves fit in the Vadle Curb Box Lock.