Kitchen sink dishwasher drain help!

[slowgsxr97]

Sinks backing up, draining slow.

Remodel on the kitchen, double sink drained fine before with a regular single trap setup. It never had a dishwasher before. Dishwasher is not installed yet. So I bought the dishwasher drain kit, Above the 3/4" barb on the tailpiece there's a divert-er. I'm assuming to keep water from splashing up when the dishwasher drains. My problem is under heavy drain or faucet running it will fill up to the divert-er, then cause the opposite side of the sink to start filling, Then it takes forever to drain it. This is a dedicated 2" line from the basement to the roof, sink is directly hooked into the vertical run.

Are there any other options to try here? The drain is too high on the wall to use a regular dishwasher tail off the strainer. Can the diverter be modified so it can handle more water? Any tips or advice will be appreciated. Here is what I have.

 

[Reach4]

Your theory might be correct. On the other hand, suppose the pipe in the basement has a partial clog.

Can you clean the vertical drain pipe in the basement?
Does the backing up occur right away, or after maybe a gallon of water has been drained?

 

[Sponsor]

 

[slowgsxr97]

There's a clean out in the basement at the floor, I could get into it there.

It varys on the timing of the back up, sometimes its quick, sometimes takes a few minutes, sometimes it doesnt do it at all.

 

[Cacher_Chick]

First, make sure your trap arm is pitched enough towards the tee in the wall. I too suspect you have a partial clog. If the drain will not accept the full flow of the faucet, you have some drain cleaning to do. Any long vertical section of piping is a good place to start looking.

 

[slowgsxr97]

I will have to go in from the T In the wall to snake the drop to the basement. Its all galvanized if that makes a difference. I guess ill start by getting in the clean out and running the hose in it to see if it takes the water without backing up so I can narrow it down to my drop piece and under sink plumbing.

 

[Cacher_Chick]

I meant to say any long section of HORIZONTAL pipe is a good place to start looking. If it is old galvanized drain pipe, I would not hesitate to cut it out and replace it with PVC.

 

[slowgsxr97]

Will a drill powered auger from one of the home stores do a good enough job for something like this? There like $17. 25' long 1/4" diam

One probably important detail I forgot to mention, This drain was not used for about 9 months until now.

 

[Gary Swart]

Might very well be the galvanized pipe is corroded. You might clean it with an auger, but usually those DIY specials are not worth crap. A professional plumber with "real" equipment might have some luck, but, as you may tell, it's pretty doubtful you can salvage this old drain.

 

[hj]

quote' There like $17. 25' long 1/4" diam

You don't send a toy to do a tool's job. Spend $300.00 and you MIGHT get one that is adequate for the job. Mine cost $2,000.00 and it WILL Do the job. If it does not happen "immediately" then the problem is in the drain line, NOT the sink drain.

 

[slowgsxr97]

Gary, the drop is gavanized, it ties into cast at the floor.

 

[slowgsxr97]

Ok problem solved, partial clog was an understatement. The snake went in easy until I got to the blockage, but at least it let pinpoint exactly where it was, It was about 4" of crud. Got it all cleaned out. Ran the garden hose full bore for 20 minutes, no clogs anywhere else. Sink drains like it should now. Thanks for all the input.

 

[Reach4]

Impressive photo.