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Plumbing Question Bg 07-09-2006
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Posted by Bg on July 9, 2006, 3:11 pm
Have a large - deep sink in the laundry room to which the washer drains. The
sink has an overflow on the back side that has a 1" outlet under the sink.
(Was not connected to anything) As some might forget to remove wash cloths,
sponges, etc the sink would overflow during the wash/rinse cycles. The good
husband I am, I added a hose to a newly installed dishwasher branch
tailpiece which is located below the sink drain and above the p-trap.
Problem is the it doesn't drain the water when it reaches to overflow. I now
suspect it's water locked and needs some vent of sorts. But can't really see
how that could be done. Any advise?
Thanks
Bg



Posted by lee houston on July 9, 2006, 7:01 pm

> Have a large - deep sink in the laundry room to which the washer drains.
> The sink has an overflow on the back side that has a 1" outlet under the
> sink. (Was not connected to anything) As some might forget to remove wash
> cloths, sponges, etc the sink would overflow during the wash/rinse cycles.
> The good husband I am, I added a hose to a newly installed dishwasher
> branch tailpiece which is located below the sink drain and above the
> p-trap. Problem is the it doesn't drain the water when it reaches to
> overflow. I now suspect it's water locked and needs some vent of sorts.
> But can't really see how that could be done. Any advise?
> Thanks

When you're testing the overflow, do you have the main sink stoppered?

sounds like your main drain is inadequate. The washer should have it's
own dedicated drain. I'd recommend giving the drain a good snaking
about 30 feet. you're dumping a lot of lint into the drain. It may be
shared with kitchen sink and garbage disposal. if so snake that section
also.
> Bg
>



Posted by Bg on July 9, 2006, 8:07 pm
The sinks drain fine. When I have the stopper in and it reaches that level
it does not drain through the overflow (newly added by-pass). If I
disconnect the hose from the tailpiece it will drain from the overflow. I
suspect I need to install a vent. I would likely cut the hose and add a
T-fitting, with the "T" attached to a vent. Sound right??
Bg

>
>> Have a large - deep sink in the laundry room to which the washer drains.
>> The sink has an overflow on the back side that has a 1" outlet under the
>> sink. (Was not connected to anything) As some might forget to remove wash
>> cloths, sponges, etc the sink would overflow during the wash/rinse
>> cycles. The good husband I am, I added a hose to a newly installed
>> dishwasher branch tailpiece which is located below the sink drain and
>> above the p-trap. Problem is the it doesn't drain the water when it
>> reaches to overflow. I now suspect it's water locked and needs some vent
>> of sorts. But can't really see how that could be done. Any advise?
>> Thanks
>
> When you're testing the overflow, do you have the main sink stoppered?
>
> sounds like your main drain is inadequate. The washer should have it's
> own dedicated drain. I'd recommend giving the drain a good snaking
> about 30 feet. you're dumping a lot of lint into the drain. It may be
> shared with kitchen sink and garbage disposal. if so snake that section
> also.
>> Bg
>>
>
>



Posted by Goedjn on July 10, 2006, 12:40 pm

>Have a large - deep sink in the laundry room to which the washer drains. The
>sink has an overflow on the back side that has a 1" outlet under the sink.
>(Was not connected to anything) As some might forget to remove wash cloths,
>sponges, etc the sink would overflow during the wash/rinse cycles. The good
>husband I am, I added a hose to a newly installed dishwasher branch
>tailpiece which is located below the sink drain and above the p-trap.
>Problem is the it doesn't drain the water when it reaches to overflow. I now
>suspect it's water locked and needs some vent of sorts. But can't really see
>how that could be done. Any advise?


The sink drain and the overflow should be connected together
before the P trap, and the vent should be after the P trap.
The vent should either extend vertically out of the house,
or connect to something that does.

Posted by Bg on July 10, 2006, 7:39 pm
Thanks to all that replied.
bg
>
>>Have a large - deep sink in the laundry room to which the washer drains.
>>The
>>sink has an overflow on the back side that has a 1" outlet under the sink.
>>(Was not connected to anything) As some might forget to remove wash
>>cloths,
>>sponges, etc the sink would overflow during the wash/rinse cycles. The
>>good
>>husband I am, I added a hose to a newly installed dishwasher branch
>>tailpiece which is located below the sink drain and above the p-trap.
>>Problem is the it doesn't drain the water when it reaches to overflow. I
>>now
>>suspect it's water locked and needs some vent of sorts. But can't really
>>see
>>how that could be done. Any advise?
>
>
> The sink drain and the overflow should be connected together
> before the P trap, and the vent should be after the P trap.
> The vent should either extend vertically out of the house,
> or connect to something that does.



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