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Posted by Speedy Jim on May 29, 2008, 7:56 pm
Wayne Whitney wrote:
>
>
>>Back-to-back fixtures are plumbed into a Double Sanitary Tee, like
>>this one:
>>
>>http://www.drillspot.com/products/287050/Mueller_Industries_52820_3X3X2X2_Double_San_Tee
>
>
> I thought they had to use a "double fixture fitting", slightly
> different than a double sanitary tee. Like this one:
>
>
http://www.drillspot.com/products/364227/Approved_Vendor_02247G_Double_Fixture_Tee
>
> Cheers, Wayne
>
Good call, Wayne. Thanks.
<back to my buggy whips...>
Jim
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Posted by Speedy Jim on May 29, 2008, 8:11 pm
Speedy Jim wrote:
> Wayne Whitney wrote:
>
>>
>>
>>> Back-to-back fixtures are plumbed into a Double Sanitary Tee, like
>>> this one:
>>>
>>>
http://www.drillspot.com/products/287050/Mueller_Industries_52820_3X3X2X2_Double_San_Tee
>>>
>>
>>
>>
>> I thought they had to use a "double fixture fitting", slightly
>> different than a double sanitary tee. Like this one:
>>
>>
http://www.drillspot.com/products/364227/Approved_Vendor_02247G_Double_Fixture_Tee
>>
>>
>> Cheers, Wayne
>>
>
>
> Good call, Wayne. Thanks.
>
> <back to my buggy whips...>
>
> Jim
Flogging a dead horse, here's an interesting discussion
of double Tee's and the application of the 2006 Code requirements:
http://www.terrylove.com/forums/showthread.php?t=17788
Jim
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Posted by Ray K on May 30, 2008, 10:49 am
Wayne Whitney wrote:
>
>
>> Back-to-back fixtures are plumbed into a Double Sanitary Tee, like
>> this one:
>>
>>
http://www.drillspot.com/products/287050/Mueller_Industries_52820_3X3X2X2_Double_San_Tee
>>
>
> I thought they had to use a "double fixture fitting", slightly
> different than a double sanitary tee. Like this one:
>
>
http://www.drillspot.com/products/364227/Approved_Vendor_02247G_Double_Fixture_Tee
>
> Cheers, Wayne
>
That would certainly prevent the problem. The house was built in 1969,
so maybe it wasn't required back then.
In response to others, the water flowed out the open trap even with
modest amounts of water running in the other sink from simply turning on
one faucet. In other words, I didn't fill one sink then try to empty it
quickly by raising the popup suddenly.
Now that the p-trap is reconnected, all is working properly.
Thanks to all who responded.
Ray
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Posted by Phisherman on May 29, 2008, 5:46 pm
wrote:
>I have two back-to-back bathrooms. Their lavatories are also
>back-to-back, and the same distance from the side wall. If I run the
>faucet in bathroom A while the P-trap in bathroom B is open (waiting for
>a repair part), the water from sink A will run out of the open trap in
>bathroom B. Is this normal?
>
>
Yes, especially if there is a lot of water draining in sink A.
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Posted by Pipedown on May 29, 2008, 6:14 pm
If the pipes are sized and vented properly this should not happen even
though it can. In your case, the open P trap is lower than the basin so it
is certainly more likly than otherwise. In fact, the bottom of the P trap
is lower than the connection to the drain, the flow may be inevitable,
there's no uphill, just a short 2" hop across the pipe.
You may want to just run a snake down the drain from both sides just to make
sure there is no partial obstruction slowing the flow and waiting to clog.
Good idea to do this once a year or so with bathroom drains. hair and
personal products clog drains fast and bath sink drains are often only 1.5"
>I have two back-to-back bathrooms. Their lavatories are also back-to-back,
>and the same distance from the side wall. If I run the faucet in bathroom A
>while the P-trap in bathroom B is open (waiting for a repair part), the
>water from sink A will run out of the open trap in bathroom B. Is this
>normal?
>
>
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