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Question DetailsAsked on 9/19/2013

water is leaking from the bottom of the toilet reservoir, how do I fix it?

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3 Answers

0
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By toilet reservoir I think are saying the tank you would lean against with your back. Is it a new toilet? If so the tank bolts may have not been tightened to specs. If it is a toilet that has been in service for awhile the doughnut washer may have deteriorated and may have to be replaced. It should not be much more than a normal service call from a plumber in you area. If you are above average as a handi man you could tackle it on your own.


Don

Answered 5 years ago by ContractorDon

0
Votes

You need a 'tank to bowl' kit for your particular toilet. This will include a tank to bowl gasket as well as new bolts and rubber seals to fasten the thank to the bowl. Model #s generally cast into the underside of the tank lid or stenceled in the back of the tank. Be sure and remove the lid and flush the toilet first though, as sometimes the fill valve will leak and spray water onto the underside of the lid which will then run out onto the outside of the tank and onto the floor. Make sure you know the source of the leak before you by parts. If you do the tank to bowl kit, tighten the new bolts evenly and GENTLY as it is easy to crack the tank or bowl by over-tightening.

Source: Plumbest2002@aol.com

Answered 5 years ago by Plumbest

0
Votes

Actually, believe it or not, there are 8 possible sources for this water - to find out swhich it is, wipe down the entire tank from top to bottom with dry paper towels, then about 15 minutes later run your hand around, from top to bottom, to see where the drip is.

1) a leak at the rubber gasket (doughnut washer) where the tank connects to the bowl - directly under the large outlet opening that is exposed in the tank when the flapper valve is opened by the trigger chain or rod - if leaks, needs replacement, which means taking tank off the toilet. IF tank is touching wall, may mean toilet is rocking or too close to wall, so when weight shift on it, the tank moves relative to the toilet base so seal opens up a bit and leaks. This seal leaks at flushing only.

2) leakage around the washers under the tank connection screws - usually two brass screws, that connect the tank to the toilet base - if loose can be snugged down (NOT very tight - can crack toilet tank or base - just firmly snug), but usually the washer needs replacing which means shutting off the valve and draining and drying the tank - these washers commonly fall apart from the chlorine in the water, and MUCH faster if toilet cleaner Blue or Purex discs or such is used in the tank.

3) leakage from the water hose/tubing where it enters the bottom of the tank (the tubing from the wall valve) - might need tightening, or new washer

4) water level in tank too high, so the water is leaking or wicking over the top edge of the tank - need to lower shutoff stop on float valve a bit, so water is at the Water Level line cast into the back wall of the tank

5) moisture from the tank condensing and exiting the air hole(s) cast into the back of the lid, and condensing on tank or wall and dripping down - usually means vent hole in lid is plugging up, or mixing valve is running too cold - a plumber issue

6) mixer valve failed, so tank is getting only cold rather then tempered (warm) water, so tank is "sweating" and dripping - this is condensation from the bathroom air (especially after showers) on the cold tank

7) excessively energetic water spray in the bowl (usually due to partially lime blocked rim holes) causing water to shoot under toilet seat to bottom of tank while filling - much more common with pressurized than tank type toilets, but can happen with all types

8) cracked tank - needs replacement

It would take too much to answer how to fix all these problems. Once you have located the problem, google for solution or ask back here again with specifics on the leak.

Answered 5 years ago by LCD




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