Option 3. The Toilet Fill Valve Leaks Inside the Toilet. This is a common problem, especially with older toilets that use natural rubber washers. Reconnect the water supply line to the toilet's fill valve and tighten the nut with the wrench. Turn off the water supply to the toilet by locating the hose that connects to the bottom of the tank and turning the valve to “OFF.” Flush the toilet to drain the tank. In this video I will show you, in detail, the procedure for replacing a bad water supply shut-off valve on a CPVC piping system. Flex the neoprene to try to get it supple again. If none, you have done it right. First shut off the water to the leaking water valve. That inactivity can cause the neoprene washers to become either brittle or crusted up with mineral deposits, and they lose their ability to seal leaks. Step 2: Detach the Pipe that Provides Water at the Back of the Tank Step 4. If you find that your toilet is still having issues, it’s time to call in reinforcements. When the fitting loosens or the seal gets old, leaks can occur. Be sure to open a cold water faucet somewhere else in your house to relieve pressure in cold water pipes throughout the house. Turn on the toilet shut off valve and let the tank fill with water. If not, move on the the next step. The locknut secures the water supply hose to the tank from the water supply valve. Once the water supply has been turned back on, flush the toilet to test the new fill valve. Go ahead and open the main house shut off valve. As your toilet tank refills, pay attention to see if your new fill valve is properly in place. You may need to shut off water to the entire house if there is no cut off for the line. If the leak is between the wall pipe and the valve, turn off the water at the street, unscrew the valve from the pipe nipple coming out of the wall, clean the threads, wrap with teflon tape and reconnect. You need to take your small pipe wrench place it on the fitting and very gently tighten the line. Tighten the packing nut on the toilet shutoff valve one-eighth turn clockwise to try to seal a leak around the nut. The original leak is most likely either caused by a failure in the rubber washer that connect your supply line to your fill valve, or a leak in the seal that connects your fill valve to the tank. I shut off the main valve to the house and no other line is still dripping water but the toilet supply line has been consistency dripping even after fully releasing any trapped water. (3) The connection where the valve attaches to the water line. If you have a leaky fill valve, don’t worry—you don’t have to call the repairman on this one. We recommend our users to update the browser. The water level in the tank is now a bit lower, so it appears I need a new flapper too. If there is leaking still, tighten the valve again until the leaking stops. A rubber seal keeps the water in the tank from draining out. These kits are often inexpensive and easy to use by yourself, providing step by step instructions on how to replace a valve that is causing your leak. A leaky toilet fill valve is one of the most common household problems for any homeowner. 14 Turn the shut-off valve counterclockwise to restore the flow of water. The valve in question is open and closed then the toilet is flushed. The plumbing supply shutoff valves behind toilets or under sinks can go for years without being turned off and then reopened again. Funny thing is after I turned off the water supply, the leak stopped. If this step doesn't stop the leak, you'll need to replace the whole valve. If the leak on your toilet water supply line is coming from around the fitting, it can usually be fixed by just tightening the fittings a little tighter. I had turned off the water supply valve a few days ago. An accidental impact on the toilet tank may create a crack which will cause perpetual leaking. Use light, steady pressure so you don’t damage the water lines. If you’ve noticed that your main water shut-off valve is dripping, it could be a sign of a big – but easily fixable – plumbing issue. These kits are available at any repair store like Home Depot or Ace Hardware. Complete DIY projects like a pro! The leak toilet valve is usually caused when the fill valve gets older and worn out, failing to stop the toilet from constantly running. For a leaky toilet water shut-off valve, the easiest solution is to tighten the package nut 1/4 turn with a wrench. Step 3 - Checking the Washers Once everything is screwed back in, turn the water back on throughout the house and in your toilet. There is a shut off valve and I have turned the water off and tried to fix it myself but I cannot get the pipe loose to see if it needs a new washer or the threads are messed up. Locating Toilet Supply Line Leaks. If your toilet fix with tightening the seal did not work, it’s time to try plan b—getting a fill valve repair kit. Copyright © 2021 Rooter Guard. Disassemble the shutoff valve—leaving the toilet and supply lines intact. Reinstall the packing nut, tighten lightly with a wrench (don’t over tighten at … Spin the valve so that it crosses a T with the supply pipe. Step 7: Open the Main water supply. This valve replenishes the supply of water to the tank … Fortunately, you can easily fix this by using your pipe wrench to tighten the nut. Use a dry rag and your finger to determine which spot is leaking. A shutoff valve that leaks when it’s turned off should be replaced, but if the shutoff is hard to access or if turning off the water supply to the whole house—or all the units in a condominium—is inconvenient, you can sidestep the problem by installing a special repair valve on top of the old supply valve. Make sure the valve is not leaking, and if it is, you may have to tighten one of the items you attached. Then expel the water by flushing the toilet and scooping out the little water with a container. We are no longer supporting IE (Internet Explorer), Expert Tips for an Easy Faucet Installation, How to Locate Your Gas Shutoff Valve and Water Shutoff Valve, Do Not Sell My Personal Information – CA Residents. If there is a leak, shut off the water, empty the lines, and unscrew the valve’s compression nut. Though fixing it yourself might be cheaper, having a professional that knows what they’re doing can be worth much more. Next remove the handle from the stem and then loosen and remove the packing nut. Start by giving it a 1/4 turn; if this fixes the leak, do not give it another turn. We will work from the toilet back to the wall to locate the problem. Turn back the water supply and check if there are any leaks on the toilet shut-off poppet. Installing them inside the tank together with the rubber washer will reduce the watertight seal formed between the rubber washer and the bolt, which ups the risk of a leak. Do not remove the valve, just tighten the packing nut. Check for any leakage. If it fills correctly and doesn’t overflow, it’s fixed. Remove the water from the tank and dry it out with a wet-dry vac or sponge. The toilet fill valve will continue to replenish water as usual regardless of the fractured tank. When removing the valve from the pipe nipple, take care to turn only the valve, not the pipe nipple. A leak originating from the toilet water supply valve is one of the most common household leaks. The supply line is typically found outside of the toilet and it connects to two points: the supply valve which is typically installed into the wall and to the toilet… The tightened seal should stop the toilet from leaking. Remove the old washer and slide on the new one. Locate and shut off water supply to the line that feeds the leaking valve. To repair or replace the valve is a relatively simple procedure and should in most cases not require a professional plumber's assistance. Sign up for our newsletter! Then, fit an adjustable wrench onto the nut of the shut-off valve and turn it counter-clockwise at 1/8 to 1/4 turn at a time. Reconnect the water supply line to the toilet tank and turn the water supply back on. If it becomes lose, water would understandably trickle down from it to the floor. Reattach the water supply tube behind the tank and turn on the water. Turn off the house water main before taking apart the toilet shutoff valve. The leak toilet valve is usually caused when the fill valve gets older and worn out, failing to stop the toilet from constantly running. Start your repair by shutting off the water in your house. If you’re still experiencing problems with water leakage, your toilet may have a more serious problem. A leaky toilet fill valve is one of the most common household problems for any homeowner. Wrap cloth or masking tape on the plier’s jaws to protect the nut’s finish. [1] X Research source Open a faucet to relieve back-pressure on water line. Turning the Water Back On. The toilet fill valve is connected to the toilet tank via a compression fitting at the bottom of the toilet tank. This causes constant leakage through the broken tank. (2) The nut that connects the supply line to the shut off valve. Fixing the valve is usually pretty simple if you know what to do. Open one faucet and let the water run until all the air has come out. As the water begins filling the toilet’s tank, check for leaks around the new valve. If the leak stops, you are done. All Rights Reserved. Tightening the Water Supply Line of the Shut off Valve. Spin the regulator that controls the supply of water into the tank and toilet bowl during flushing. With a few steps, you can fix your toilet fill valve yourself. You will know this when the bubbling stops. The shut off valve to the toilet has been having issues and likely needs to be replaced but I'm afraid that if I take off the supply line and valve off water will continue to leak. Photo 2: Disassemble the shutoff valve. We recently had a new toilet installed. Keenly check for leaks on the new valve. Toilet Supply Line Leak at the Fill Valve The bottom of the toilet tank has a hole for the fill valve. Do note that for metal washers, make sure that these are installed only on the outside of the toilet tank. Once the new valve is in, return everything you unscrewed to its proper position. This leaky valve can waste a lot of water and cause serious damage to your home, so it should be fixed as soon as possible. Disconnect everything from the old fill valve and remove it, replacing the valve with a new one. The supply line is the part of the toilet that supplies water into the tank of the toilet for flushing. This will tighten the packing nut and may stop the drip. This will stop all the water flowing into your home, including the water supply to the toilet. Sometimes the crack may not be quite visible. The easiest solutions are best to try first, so start by giving the valve an adjustment to see if it solves your problem. The toilet water supply valves can go on for many years without ever turning it off and then reopening again. A fill valve that leaks allows too much water to trickle into the tank. Cause #1: Leaking Supply Line What is the supply line? Tighten the packing nut on the toilet shutoff valve one-eighth turn clockwise to try to seal a leak around the nut. Privacy Policy, Outside Water Spigot Leaking: Tips for Repairing It. We are no longer supporting IE (Internet Explorer) as we strive to provide site experiences for browsers that support new web standards and security practices. Our latest shed is also a pavilion—and you can build it, too! Turn the main water supply back on. 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