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Posted by Red Green on June 2, 2008, 10:34 pm
> Johndagolfer@gmail.com wrote:
>
>>
>>>Johndagol...@gmail.com wrote:
>>>
>>>>Hi All,
>>>
>>>>I am in a new homeowner and I am greatly confused and worried about
>>>>a dripping noise that I am hearing. I live in a 2 story home, with
>>>>the water heater/washer/dryer located upstairs.
>>>
>>>>After flushing any toilet, whether it be upstairs, or downstairs I
>>>>am hearing a dripping/tapping noise(like water being dripped onto
>>>>wood) from inside the upstairs wall. This dripping sound persists
>>>>for 15 seconds until the toilet is filled up and then stops until
>>>>the next time the toilet is flushed. To my knowledge, this
>>>>dripping sound does occur when I am taking a shower or running the
>>>>faucet, only when flushing the toilet.
>>>
>>>>Something I thought this may have been related to was a gurgling
>>>>sound I heard in my washer's drain after turning on the central air
>>>>for the first time(in 4 or 5 months).
>>>
>>>>Any idea?
>>>
>>>>thanks in advance
>>>
>>>If this is a new(er) house with plastic waste piping, dripping noises
>>>are quite common and can be heard from afar.
>>>
>>>The utilities being on the 2nd floor may be a clue. Perhaps the
>>>sudden drop in pressure caused when the toilet tank refills is
>>>triggering some discharge on the 2nd floor into the waste piping.
>>>For example, the water heater relief valve may open or the washing
>>>machine solenoid valve may briefly lose its closed position seal.
>>>
>>>Careful listening around those appliances while someone flushes
>>>may give a hint. Or, you could close supply valves to each
>>>and see if the dtrip still occurs.
>>>
>>>Jim- Hide quoted text -
>>>
>>>- Show quoted text -
>>
>>
>> So is this dripping outside the pipe or within?
>
>
> Dripping inside the pipe, if plastic, can be very noticeable.
>
> If there is no evidence at all of leaks- stains, mold, warpage,
> then quite likely it is inside a drain.
>
> Jim
One thing that might give you some info to isolate source is to take a
cup of water and slowly pour it into the toilet. See if you hear the
dripping. Also try pouring a cup into the back fill bowl.
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