In this video, This Old House plumbing and heating expert Richard Trethewey installs a new washing-machine valve that will prevent flooding.
1. Close the hot- and cold-water shutoff valves leading to the washing machine.
2. Disconnect the hoses from the back of the machine and slide the machine out of the way.
3. Tighten two brass 90-degree elbows onto the rear of the timed washing-machine valve.
4. Use the close-quartertubing cutter to cut into the existing hot- and cold-water supply pipes.
5. Clean the new copper pipe and fittings with the cleaning brush.
6. Use the acid brush to apply flux to the pipe ends and fittings.
7. Solder the new copper pipe and fittings onto the existing copper water-supply pipes.
8. Tighten the compression fittings on the brass elbows to secure the timed washing-machine valve to the copper water-supply pipes.
9. Fasten the copper pipes to the wall with ¾-inch screws and copper pipe clips.
10. Slide the washing machine back into position, and connect its hot- and cold-water hoses to the valve.
11. Plug in washing machine's power cord, then open the hot- and cold-water shut-off valves.
12. Snap the plastic cover onto valve and open the valve by sliding its lever to the left.