A couple of tricks may help avoid buying new parts. Several considerations dictate which is the best water shut-off valve for your needs, including the size of the inlet diameter and outlet diameter, as well as how the valve is operated. Main Shut-Off Valve doesn't work! I turned off the water at the shutoff in the basement, it's a standard faucet type in the copper piping. Resources: If the house’s water main shutoff malfunctions, the water utility usually has a shutoff outside the home that they can access. Upgrade older gate valves to a more reliable ball valve. After you remove the handle, you'll be able to tell whether the handle or faucet stem needs to be replaced. Re: shut off valve stripped; Author: North Carolina Plumber (NC) Best thing to do would be remove the valve packing nut and stem and replace it with a new one. Showerhead Shut Off Valve with Stainless Handle, 304 Stainless Steel Mini Ball Valve(1/2" Female X Male) NPT Thread, Water Flow Control Valve Regulator Chrome, Shower Head Flow Control Valve, 2 PACKS 4.7 out of 5 stars 358 This occurs from issues with the hardware inside the faucet. If there’s buildup visible on the water valve, pour a little white vinegar on the valve and scrub the buildup away with a wire brush. [ 7 Answers ] I was recently trying to replace the washer shut-off valve and went to close the nearby hot and cold water shut-off valves in the basement so that I could sweat the pipes. Turn off the water to the shower and unscrew the valve retaining the nut to remove the valve. Unscrew and remove the valve. A gasket or washer needs to be replaced. There 3 common reasons why a faucet will leak. When your water faucet handle is stripped, you may not be able to turn the water on or off or adjust the temperature. Screw in the new valve from the repair kit. As the water begins filling the toilet’s tank, check for leaks around the new valve. My dishwasher started leaking over the weekend. Otherwise, you’ll might find yourself dealing with a much larger problem that your initial one. Mandle fits on square or round top stems, hose bibs and washing machine valves. If the water still runs after shut off, it’s most likely because of a problem with the seal. Every valve I tried turning off, water kept trickling through. Why Your Kitchen Faucet Won’t Turn Off. Shut the water off to the house. Water valve shut-off types are all designed to stop the flow of water. You name it and Mandle can handle it. If there is a leak, shut off the water, empty the lines, and unscrew the valve’s compression nut. (Not for frost-free faucets) We have taken the confusion and guess work out of the valve handle replacement process. Turn off the pipe-freezing tool and let the pipe unfreeze. Tighten the gland nut back over the new valve … If it is a new house I would assume it has a chrome stop for a valve. Loosen the gland nut behind the handle using the wrench. First, make sure that you shut off the water that supplies the valve you’re going to be working on. From the main water shut off valve to the valve under your sink. Trying to turn the water back on, I realized that the valve isn't opening. I then replaced the rubber heater hose used to feed water to the dishwasher, which had sprung the leak. The seat is stripped or dirty. Pull the handle off the shutoff valve using the screwdriver.