Washing machine Outlet Box Push Fit Washing stop valves with 55 water hammer arrest or @CONNED The easiest way to make a water supply control fit in washing machines. * Works with PEX. PVC or Copper piping systems Adjustable mounting bracket included with recessed Soreness tension Lae Temperature range: 3% 180F Installation instruction: Shut off the main water supply line 2. 3. Attach the included bracket to the studs for attaching the outlet box to either side of the bracket.