Toilet Leaking From Tank

I replaced the water line and also replaced the flush valve (twice). What mainly causes RV toilet holding tanks to get clogged is when there are leaking valves or when the valves are left open. The steps for replacing this gasket are below. Why Your Toilet Tank is Leaking. The cold water in the toilet tank and the warm air in the bathroom will cause moisture to collect on the tank and cause pooling of water. But what happens when your toilet springs a leak? Not only could you be faced with time-consuming and costly water damage to your RV, but you could slowly (or quickly, depending on the leak) be losing the water in your tank. Before you crack. Next, locate the bolts that hold the toilet to the floor. Ever since I installed it I can not get the tank to stop leaking onto the toilet itself (right near the seat bolts). Toilet Replacement I had to replace a toilet this week. It's found at the bottom of the toilet tank and keeps the water from flowing into the bowl. The toilet fill valve is held in place by a large nut and it has a rubber seal to stop the water from leaking out of the toilet tank. Test for a leaky flapper as shown in the photo below if the toilet keeps running. I t is pretty easy to diagnose a toilet problem. Fixing a leaky toilet tank is a common plumbing repair that you can do yourself. Toilet Leak Test #2: Another way to test your toilet for leaks is by turning the water to the toilet off at the shutoff valve. That way, you won't have touch the yucky wax ring under the toilet bowl, as you would if you were replacing the entire toilet. You have to buy a complete toilet. Leaking Toilet Tank Bolts. KEEPING THE TOILET TANK CLEAN. If water from the tank seeps around the flapper and into the bowl, the flapper is probably shot. Leaky toilets can cause a lot of damage to the flooring, floorboards, and into the foundation or room below. Photo tutorial showing how to replace a leaky toilet water shutoff valve for a toilet water supply with a new Brasscraft 1/4 Turn Ball Stop Valve. Loose nuts causing leaky toilet tank. Wait several hours to overnight without flushing the toilet, then check the water level in the tank. If a toilet is occasionally turning on or off or sometimes running, water is somehow leaving the toilet tank. If the intake valve of the ball-cock assembly shuts on and off when no one has flushed the toilet, the problem is a leaking tank ball or flapper. The process of replacing the wax ring is detailed in step-by-step captioned photographs in How to Install a Toilet. LeakAlertor 6000 Toilet Leak Detector - Installs in Seconds, No Tools Required/Detects Leaks, Running Toilets, and Other Problems that Cause High Water Bills/Visual & Audible Alerts - - Amazon. Many toilet leaks in your home will happen if the round rubber seal at the bottom of your toilet tank that stops water from draining out […]. This will repair a leak from the bolts that hold the tank to the bowl and the gasket that joins the 2 pieces. A break here will cause a major leak, with water shooting out from underneath the tank at every flush. Fortunately the toilet was on the first floor and dripped into the garage. One final note. Remove the tank cover and place a level across the top of the tank. There are two issues that must be addressed: the tank water level and the handle itself. This is a toilet that can be fitted into locations where other toilet installations may not be practical, for example in lofts, basements, under stairs or even garages. This could mean that your float seal in the vacuum breaker is not working right. It's found at the bottom of the toilet tank and keeps the water from flowing into the bowl. Installing new parts will keep the toilet tank solidly attached and prevent leaks between the tank and the bowl. How to fix a leaky toilet tank. A slow leak could add up to 100 and even thousands of wasted gallons of water running down the drain. 8 gallons per flush. An uncommon source of tank leakage can be due to incorrect positioning of the fill valve hose. Start by familiarizing yourself with the basic workings of a toilet. Product - 176-217 MP Toilet Tank Repair Kit, Includes 8-1/2 fill valve, flapper, refill tube, float ball and float rod By Master Plumber. When the toilet base is cracked, if it's a hairline crack and your toilet isn't leaking, you can apply plumber's putty or silicone sealant. FLUSHMATE pressure-assist technology offers the only true high-performance, low consumption alternative to meet consumer expectations. Leaky toilets can cause a lot of damage to the flooring, floorboards, and into the foundation or room below. However, be prepared to spend a couple of hours if you are attempting this for the first time. This happens when the toilet tank that supplies the flushing action releases too much water into the toilet basin and it simply is wasted water that goes down the drain. These bolts travel through a hole at the bottom of the tank and then run through matching holes located in the bowl. A sealed flapper/valve needs adequate weight from having enough water sitting on top of it; How to Fix a Leaky Toilet. Wait about 15 minutes. We offer the most extensive waterproofing system installation and repair service in those leaking areas. When your toilet tank bolts are leaking, you want to fix the issue, and fast. Sometimes the valve that stops the water filling the cistern is worn and needs replacing. I have a water leak from under the toilet tank only when i flush it. The best way to fix this may be to turn this around but also make sure the washer is clean. If so, there is a leak. This will make your toilet firunfl when water leaks from the tank to the bowl. I replaced the gasket and tank bolts of a 10+ year old toilet. If you have an older toilet, chances are that it's the two-piece design and the tank and bowl are connected with two bolts. One of the reasons why a toilet leaks is the tank-2-bowl seal. An "unlevel" toilet flange might be a little difficult for a wax ring to seal, but could not in any way be responsible for a tank leak. Our plumbers will contact you for obligation free quotes. A small crack can quickly flood your entire bathroom and cause a lot of damage. Morning everyone, I woke up to a good amount of water on the floor in the bathroom and what looks like water coming from the tank bolt. Fixing a Leaking Toilet Tank. Also known as a concealed cistern, each in-wall flush toilet tank is leak-tested before shipment. Follow the steps in the section "How to Fix a Cracked Toilet Tank" to learn how to fix a hairline crack. Leaks can come from different parts on the toilet, but one of the most common areas on a. A slow leak may develop around the valve stem - usually a drop or two per minute - which adds up over time causing water damage to the floor, baseboard and wall. Steps for Fixing a Leaking Toilet Turn off the Water Supply. If you’re replacing the water valve on the back of the toilet, once you have reinstalled the water line, pressurize the water system to make sure the valve doesn’t leak. It doesn't leak, but the home owner is not happy with the small movement between the tank and bowl. Water leaking from toilet tank into bowl : A running toilet may seem like a minor issue that could be overlooked. Replaced seal and everything is good. This is why every leading toilet manufacturer offers a toilet with FLUSHMATE inside. Models range from $150 to $400. This issue could be caused by old rusted pipes or even leaking pipes that prevent a strong enough flow of water to reach your home. When the toilet is flushed, a rubber tank ball or flapper lifts out of the way, and water rushes into the bowl. This is usually due to a faulty ball valve. Geberit reliability is legendary. These bolts go through a hole in the bottom of the tank and through matching holes in the bowl. Yes, you can. A third possibility is a cracked toilet tank. Flapper – a (usually) rubber lid for your toilet’s flush valve — this opens when you press your toilet handle and allows water to flow from the tank into the bowl There are a few other parts on a toilet that could go bad, but 99 times out of 100… one of these four items is the problem. Looking at the potential problem areas of a toilet can help you identify what is causing the leak and how to counteract it. Why is my Toilet Leaking from the Base? Diagnosing a problem with your toilet isn't difficult. I get asked this toilet question frequently, and I suspect that those people asking it have already found out the answer. Big toilet leaks are easy to detect, because you can usually hear them; the sound of always-running water doesn't usually go unnoticed. Call (425) 679-9500 if you have a leaky water heater in the Sammamish area. Water leak from under tank on toilet. That did not correct the leak, but it did allow me to see that the leak seemed to be forming from the shank at the lock nut. How can I repair this? This is symptomatic of a leak in the tank-to-bowl seal or around the tank-to-bowl mounting bolts. This question lacks enough detail to answer adequately. If leaks are present outside of the tank, make any necessary repairs. WATER TEST. And your bathroom. Tank Mount Toilet Paper Holder. How does Toilet Guardian stop leaks?. The time may one day come when you need to replace leaking toilet tank bolts; so, you should bookmark this article and keep it handy. If the tank is leaking between the tank and bowl, remove the. FLUSHMATE pressure-assist technology offers the only true high-performance, low consumption alternative to meet consumer expectations. One money-saving DIY option is to replace only the tank, subbing in an insulated tank ($100 to $120) for your old tank. The bowl holds water and connects to the drain for disposing of waste water and. If the water level has dropped perform the following. Snap the flapper into place and have sit flush on the flush valve. Also, get a friend or family member to help you out, as it requires two people. There are three likely possibilities for a leaky toilet tank. Reviews Cheap Ming Wang Scoop Neck Tank See Best Prices Ming Wang Scoop Neck Tank ★★Buy Low Prices★★ If you are looking for Ming Wang Scoop Neck Tank Yes you see this. Steps for Fixing a Leaking Toilet Turn off the Water Supply. We will fix leaking toilet systems and repair a damaged or leaking toilet tank. When it has already filled up, flush the toilet to ensure that it’s working. The water level in your tank shouldn't be as high as the handle, so a water level adjustment is needed. Leaks can come from different parts on the toilet, but one of the most common areas on a. Ever since I installed it I can not get the tank to stop leaking onto the toilet itself (right near the seat bolts). In other words, the ballcock, flush valve assembly were already attached to the tank. Tighten The Bolts At The Base Of Toilet. While you are cleaning the toilet, it is a good practice to inspect it for signs of external leakage along the floor, and around the tank and bowl. 41 Issue resolved. Sad to say, like other RV toilets, occasionally the SeaLand gets a bit cranky and begins to show some signs of age. How To Fix a Leaking Toilet Tank - Toilet Tank Repair - Remove Rusted Toilet Bolts Fixing A Toilet Tank - Is your toilet crowded? Contemporary homes all constructed with fitting and also space a whole bathr Toilet Water Tanks - The bathroom is a supply of water waste and inefficiency, and among the most popular rooms in the home. But, for various reasons, as Flappers get old they stop sealing well and allow water to leak into the bowl. Learn what steps to take to fix this problem. But, with time you will see a staggering water bill piling up after a couple of months ignored due to this type of water leaking from toilet tank into bowl without even our knowledge. Is water leaking from the base of your toilet tank? It may be time to replace your tank to bowl gasket. It seals the water and serves as a gate opening that releases the water to the bowl when you flush. Also check the water lines leading to the cooler for leaks. Tools needed: Universa. When the toilet is flushed, the flapper opens and releases fresh water into the bowl to replace the water you’re flushing down the drain. But, these flappers will deteriorate or lose its value in your toilet tank. it is leaking around the bottom of the toilet but if I put the water in the back of the tank myself, it doesn't leak IF I PUT THE WATER IN THE TANK MYSELF, IT DOESN'T LEAK BUT IF I FLUSH THE TOILET AND LET IT FILL BY ITSELF IT LEAKS OUT OF THE BOTTOM. Generally, two-piece toilets have a set of bolts that attach the tank to the bowl. Also, get a friend or family member to help you out, as it requires two people. every once in a while, you will hear a faint phantom "flushing" sound). Question: I am plagued with the contstant "running" of one of my toilets. Check an Old Toilet. As always, I spent a significant amount of. The Damage From a Toilet Leaking at Base. Let's take a close look at toilet leaks, seals, and repairs. Find Your Toilet in the Matrix. Condensation (from hot showers or bath) is the most common cause of the water accumulating on your bathroom floor. We moped it up straight away and then kept eye on it but it was still doing it so we went outside and removed the cassette from the cassette holder and there was some flush water lying in there but it is sealed down there and wasnt. The water level is to high. Leakage inside the Toilet Tank; After crossing out condensation as the possible cause of the toilet leak problem, you must next find out whether the tank itself is leaking. Turn the water valve on to refill the toilet tank. A standard toilet has at least five seals with the potential for leaking. In other words, the ballcock, flush valve assembly were already attached to the tank. Lavonne Luxurious Toilet Tank Cover. Aquia Dual Max Dual Flush Toilet Tank. That way, you won't have touch the yucky wax ring under the toilet bowl, as you would if you were replacing the entire toilet. It's found at the bottom of the toilet tank and keeps the water from flowing into the bowl. It is, however, less daunting a project than the toilet tank liner, so I would suggest that if you do use one of these, and you have a very severe condensation problem, put a towel on the floor behind the toilet to catch anything the tray misses. A leaking toilet of any kind is a massive problem, but a leak coming from the base of your toilet packs an even bigger punch. The leaking water causes a gurgling sound, and the intake valve must let new water into the tank periodically to replace the lost water, which flows harmlessly into the bowl. Usually, you will not hear this type of water leak. This is why every leading toilet manufacturer offers a toilet with FLUSHMATE inside. But, with time you will see a staggering water bill piling up after a couple of months ignored due to this type of water leaking from toilet tank into bowl without even our knowledge. If your toilet is visibly leaking water outside your toilet, you should call for immediate repairs. When it has already filled up, flush the toilet to ensure that it’s working. Leaky toilets are a nuisance. Often, water flows through the toilet with no noticeable sound, which is why these leaks often go unnoticed. This lets water leak from the tank into the bowl. " Do I need to replace the entire 'post' unit that I see inside the tank?. What Happens Once Cracked. Toilet tank repair is also part of our proficiencies. An old, worn tank ball or flapper is prone to leaks and the best way to fix it is to replace it. One reason the toilet could be leaking at the base is that the t-bolts, which fasten the toilet to the floor, need to be tightened. Use care to grip the bowl and not the tank. If the bolts are tight and the leak persists, replace the bolts and the gasket between the tank and toilet base. We figured he came in through one of the roof vent stacks. Sometimes the valve that stops the water filling the cistern is worn and needs replacing. Leaking Toilet or Low Pressure How to silence a running toilet. A leaky toilet tank never feels like a simple problem to deal with. Like it slides down from there. The first time I replaced the flush valve, I was still getting a leak around the connection up around the bottom of the water tank, so I replaced again. Water belongs in your toilet not on the floor, let's get that fixed. If you have an older toilet, chances are that it's the two-piece design and the tank and bowl are connected with two bolts. If water leaks from the tank, the float on the fill valve will go down until it triggers the fill valve to refill the tank with water. If the leak is substantial, then you should take emergency measures. If you can’t tell whether your toilet’s tank is sweating or leaking where the tank connects to the bowl, squeeze a couple of drops of food coloring in the tank water, wait about an hour, and then dab the tank bolts with a white tissue. Over the Tank Mount Toilet Paper Holder Check price for Over the Tank Mount Toilet Paper Holder get it to day. A toilet that leaks from its tank bolts is usually leaking because of damaged, misaligned or even cracked washers or bolts. (I put dye in the tank and it went into the bowl) I had a plumber replace the tank with a brand new tank. How the Toilet Tank Works. My toilet syphon is passing water, what can this be? If your toilet syphon is passing water when diagnosing toilet leak then the problem may be with your washer. The toilet tank's function is to hold a quantity of water until you flush the toilet, at which time the water in the tank rushes down through an opening in the bottom of the tank and into the bowl, forcing waste out of the bowl and into the home's drain and sewer lines. Go to Part 2. In this case, a steady trickle of water will run constantly, flowing into the overflow tube in the toilet tank. Leaking toilet tanks can be repaired by changing out the rubber gaskets around the tank bolts and the spud washer, which can deteriorate and fail due to hard water and minerals. Such leaks may be due to a leak in the tank-to-bowl seal, or around the tank-to-bowl mounting bolts. Wait several hours to overnight without flushing the toilet, then check the water level in the tank. As usual, I assumed it was the flapper - so I went ahead and replaced it. Over the Tank Mount Toilet Paper Holder. Remove the toilet tank's lid, and set it somewhere flat so it won't crack. Water that leaks from the gasket at the tank-to-bowl connection will leak a lot more right after the toilet has been flushed. A toilet tank holds a significant amount of water. A water leak sensor is available to alert you as soon as toilet leaking is detected. Clean the flush valve seat with a sponge. Condensation (from hot showers or bath) is the most common cause of the water accumulating on your bathroom floor. t forget to include them inside your thank you cards, Secured Loans Rates postcards, and other subscriber list. HomeAdvisor's Toilet Repair Cost Guide outlines the price to hire a plumber to fill, shut off or replace a valve or flapper, fix drain leaks, and wax ring, seal, cistern or tank replacement. Here is what you can do with a cracked toilet tank. How to Fix a Toilet that Sweats. Seem like the water is coming from around where the supply tube connects. Hire an Experienced Vancouver Toilet Repair Plumber. Loose nuts causing leaky toilet tank. Such leaks may be due to a leak in the tank-to-bowl seal, or around the tank-to-bowl mounting bolts. Instead, we should have added a closet flange spacer ring. My current problem is in our en suite bathroom- the toilet is leaking water, it appears on the tiled floor and seems to be coming from under the base of the toilet. When the toilet is flushed, a rubber tank ball or flapper lifts out of the way, and water rushes into the bowl. Aside from the risk of slipping because of all that water dripping onto the floor, this will also badly affect your water bill. How to repair a leaking Caroma dual flush toilet So my Caroma Dual Flush toilet was leaking – it kept running even after the cistern was full. How to Replace a Tank-to-Toilet Gasket. Remove the toilet tank's lid, and set it somewhere flat so it won't crack. Gently rock the toilet back and forth to break the seal and any caulking present. How can I repair this? This is symptomatic of a leak in the tank-to-bowl seal or around the tank-to-bowl mounting bolts. Toilet & Holding Tank Replacement an Old Boat Gene Jurrens, MTOA Member 1093 Motorsailer Sojourn (40 foot Island Trader) Abstract: Smelly hoses and a leaky toilet, combined with a holding tank far too small for an inland waters cruising boat forced me to update the entire system. I recently replaced all the contents of my toilet tank. The leaking water could cause damage to the floors, walls and ceilings and the toilet itself will need to be replaced. Call (425) 679-9500 if you have a leaky water heater in the Sammamish area. The cold water in the toilet tank and the warm air in the bathroom will cause moisture to collect on the tank and cause pooling of water. Locate the mounting nuts and bolts underneath the tank. How can I repair this? This is symptomatic of a leak in the tank-to-bowl seal or around the tank-to-bowl mounting bolts. Water leaks between the tank and the bowl. Talk of The Villages Florida General Discussion / Leaking toilet. line to the toilet tank. Toilet Replacement I had to replace a toilet this week. If water pools around the base of your toilet, one of the toilet's seals may be leaking. Cost to repair a toilet wax ring. I installed it strictly according to the instructions. The water level in your tank shouldn't be as high as the handle, so a water level adjustment is needed. Replacing the toilet's flapper valve will likely stop the leak. it is leaking around the bottom of the toilet but if I put the water in the back of the tank myself, it doesn't leak IF I PUT THE WATER IN THE TANK MYSELF, IT DOESN'T LEAK BUT IF I FLUSH THE TOILET AND LET IT FILL BY ITSELF IT LEAKS OUT OF THE BOTTOM. Fixing a Leaking Toilet Tank. There are two issues that must be addressed: the tank water level and the handle itself. On rare occasions, a toilet tank or bowl could crack. Not directly from the supple tube pipe or the connector but its comes from where i have highlighted in the red. I’ve searched this site, in vain, for a “HOW TO” on motorhome floors. Fill the tank to the “water line” and shut the water off to the tank. This causes corrosion of the hot water tank, resulting in pin hole leaks. I have a 2003 Holiday Rambler Vacationer with a Sealand 511 plus toilet. For whatever reason the tank never fills and the water keeps leaking forever. I can hear a constant leaking sound coming from my toilet tank but the water is NOT leaking into the bowl nor is it leaking onto the floor. There is always water running out of the rim of the toilet. Product Image. How can I repair this? This is symptomatic of a leak in the tank-to-bowl seal or around the tank-to-bowl mounting bolts. Open the water supply valve all the way and check for leaks. Leaks can come from different parts on the toilet, but one of the most common areas on a. What about a slow leak? Diagnose it with food coloring. A leaking toilet of any kind is a massive problem, but a leak coming from the base of your toilet packs an even bigger punch. I replaced the flapper, thinking that it was the source of the leak, but the problem continued. The second is the seal at the toilet fill valve. The easiest steps to take to test for a leaky toilet are Squeeze about 10 drops or so of food coloring into your toilet tank. Six months later we had a nice toilet bowl leak. 00 on a national average. Snap the flapper into place and have sit flush on the flush valve. It seals the water and serves as a gate opening that releases the water to the bowl when you flush. A water leak from around your toilet handle should be fixed as soon as possible. A cracked toilet bowl is more difficult to narrow down. At Simpson Plumbing, we repair all. There are a few fixes for this problem. WATER TEST. Remove the lid to the tank and note or mark the water level in the tank. Toilet Leak Test #2: Another way to test your toilet for leaks is by turning the water to the toilet off at the shutoff valve. Tighten loose connections. The best troubleshooting procedure for determining the leak point is using this water test. bravenrace wrote: You guys are just making me more determined to find a way to seal the leak. The fill valve is commonly seen on the left side of a toilet. This will make your toilet firunfl when water leaks from the tank to the bowl. Open the water supply valve all the way and check for leaks. One is that porcelain is a ceramic which is fired in a kiln. A running toilet is a very common problem that usually stems from one of three places: the water tank mounts, the downspout tube, or the flapp er valve. Start by turning off the water and flushing the toilet to drain the tank. Water leaking from toilet tank into bowl : A running toilet may seem like a minor issue that could be overlooked. Finger tighten the 3 nuts on the bottom of the bowl. Leaks involving the fill valve are not as easily detected. One way you can check your toilet for leaks is to open the toilet tank, drop a dye tablet or some food coloring in, and wait 15 to 20 minutes. Reset the bolt by flipping the rubber washer on the inside of the tank. LeakAlertor 6000 Toilet Leak Detector - Installs in Seconds, No Tools Required/Detects Leaks, Running Toilets, and Other Problems that Cause High Water Bills/Visual & Audible Alerts. Fill the tank to the “water line” and shut the water off to the tank. Check the water in the bowl for color. Dumped water down the toilet and I get a drip, so it has to be between the top of the flange or the tank. Looking at the potential problem areas of a toilet can help you identify what is causing the leak and how to counteract it. The majority of toilets are made of two parts: the tank and the bowl. Observe how the water goes down the toilet valve in the tank. If you've checked the water level in the tank and it's not rising above the overflow tube but you still hear or see water leak into the bowl, the second possible source of the leak is around the flapper. Each professional has their own preference as to how this should be accomplished. Not only is a toilet that leaks at the base unsanitary, it also can do a lot of damage to your. The height from the toilet above ground level, or maybe the height from the household water provide will be features of consideration too. But a slow leak — when water is slowly escaping from the toilet tank into the bowl below — is silent, allowing massive amounts of water to escape your home, totally undetected, each month. ID parts and problems with this handy guide, and hit the hardware store with confidence. The Floor Is Damp Around The Toilet. The design does not include the typical "flapper. Geberit reliability is legendary. If the valve is worn out or left open, it will allow water to leak out of the toilet before the water flushes out the waste. Toilet Seal Leak and Repair Guide - How to Diagnose & Repair Toilets with Leaky Seals, Odors, Leaks into Floors or Ceilings Odors traced to bad toilet seal or wax bowl ring How to replace a toilet seal or wax ring When to replace a toilet seal or wax bowl ring Sewer gas odors in buildings traced to loose or leaky toilet drains How to repair problems causing plumbing drain sounds Questions. Finding the Culprit. My toilet syphon is passing water, what can this be? If your toilet syphon is passing water when diagnosing toilet leak then the problem may be with your washer. Leaking Toilet or Low Pressure How to silence a running toilet. We moped it up straight away and then kept eye on it but it was still doing it so we went outside and removed the cassette from the cassette holder and there was some flush water lying in there but it is sealed down there and wasnt. All you need is food coloring and 15 minutes. That did not correct the leak, but it did allow me to see that the leak seemed to be forming from the shank at the lock nut. This question lacks enough detail to answer adequately. With the right parts it's easier (and cheaper) than you think. If the color leaks into the toilet bowl, then there's a leak. Easy-to-fill, patented air lock and fill valve. A water leak from around your toilet handle should be fixed as soon as possible. If water leaks from the tank, the float on the fill valve will go down until it triggers the fill valve to refill the tank with water. Not sure if this happens when Im removing it to empty it or during use. Leaking Toilet Tank. A water leak typically springs from a toilet’s water supply fitting, the joint between the tank and the bowl, or water. Do you notice a small pool of water where your toilet meets the. I replaced the flapper valve twice. If your seal dries out it can start to develop a slow leak draining out the water and causing a dry bowl. I also taped the connection where the coupling nut screw over and it is still leaking. It is, however, less daunting a project than the toilet tank liner, so I would suggest that if you do use one of these, and you have a very severe condensation problem, put a towel on the floor behind the toilet to catch anything the tray misses. Why is My Toilet Running? The typical toilet tank will have a flapper which seals the water in the tank. I went to the building supply and bought a FluidMaster 400AKR toilet tank kit. DIY: How to Repair Toilet Leaks. It hasn't wiped out the idea of shopping in a physical. Geberit in-wall flush toilet systems for wall-hung toilets are the classics of modern bathroom design, installed over a million times around the world for more than 50 years. The line runs from just under the tank and attaches to the water line on the wall or floor. WATER TEST. How to Fix a Leaky Toilet Tank. Yes, you can. One way to fix a running toilet is by adjusting the flapper, which is a rubber seal that stops the water in the tank from draining into the toilet bowl. In each case, the solution is to identify the faulty seal and tighten or replace it. I had a leak around where the water line goes into the bottom of my toilet (regular 'ol toilet.