Need help with plumbing overflow to house drain line

philipraposo1982

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Feb 21, 2016
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Cambridge, Ontario
Hi,

I am setting up a drip system for my tank and want to drain my drilled tank (1 inch bulkhead slip) to my 2 inch home drain line with support my upstairs laundry machines.

My tank plumbing is less than 2 feet away from this pipe in the wall. Can I simple just T in? I don't need to add a vent right? That pipe should be vented already and with such low drip I suspect it should be fine.

Any advice?

What's the best way and easiest way to do this?

The laundry drain is a 2inch abs black pipe which runs straight down into the ground in the basement.
 

PYRU

Probation Member
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Apr 8, 2015
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I would just tie into. Its the same way your dishwasher drains to your sink
 

RemainVayne

Plecostomus
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Sep 26, 2017
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I run a 2" pvc line to my basement floor drain to accommodate my drip. No vent used and no problems for me.
 

Ulu

Potamotrygon
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Dec 13, 2018
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The Sunny San Joaquin
Well, is your tank on the 2nd floor with the laundry, or below it?
You may have backsurge in the drip if the laundry is above the tank.
A surge chamber may be used if necessary.

I have one on my RO system so it doesn't backsurge if the garbage disposal is run full-out. There is an air gap to interrupt this, and the surge comes out there, above my sink. Well, it did, until I added the surge chamber. It's just made from 1.5" clear PVC P-trap parts, and essentially provides for the drip waste to enter a chamber about 12" above the T in the waste line.

I used clear so I could see how it worked.
 

Ulu

Potamotrygon
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Dec 13, 2018
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This was easy peasy. Everything just screws together with little gaskets and it is totally adjustable, because the P-trap swivels. That allows it to fit tight under my sink.

20190522_064418.jpg

20190522_064454.jpg
 

Ulu

Potamotrygon
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Dec 13, 2018
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If you look through the clear PVC you can see coffee grounds which have back surged into my chamber. But nothing comes out on the sink and that's the goal!
 

Ulu

Potamotrygon
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Dec 13, 2018
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It may need a tall one if his tank in on the 2nd floor. BTW the p-trap isn't in my photo, but it has one.
 
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