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The rough plumbing d.w.v. For a koler k-4920-t urinal has a 3drain spud existing drain is a 2 p-trap

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Put new valve in the urinal, flushes fine, but loud groaning noise in the wall after every flush, didn't happen until new valve put in. What can I do?

air chamber shock absorber ,wrong pressure take cap off adjusting screw and the big silver cap on top just screws off.

May 26, 2015 | Sloan 180-1 Exposed Urinal Flushometer -...

1 Answer

Local authority state saniflow may choke at rainwater trap and will not accept saniflow going into rainwater drain

Your description sounds like plumbing from before bacteria was discovered. The output from a Saniflo macerator should be sent to a foul drain or cesspit and not a rainwater drain.

Some authorities allow local rainwater runoff into foul drains but this situation is gradually being designed out.

Could be your Saniflo installation didn't meet building regulations when it was installed. The fact it has been working fine for 2 years doesn't count for anything if it doesn't.

Feb 03, 2018 | Saniflo Plumbing

1 Answer

Our urinal continually backs up. We've tried everything, including 2 plumbing companies. time to replace?

You either have a block drain line or a blocked air line. A snake down both should clear your problem.

Jun 01, 2011 | Kohler Urinal washdown pipe KOH-K-9198

1 Answer


The spud washer is leaking and the urinal will need to be taken off of the wall and reinstalled with new seals.

Feb 16, 2011 | Eljer 161-1190-00 White Bedfordshire Wall...

1 Answer

I am unsure as to how to attach the spud assembly to the urinal. Page 164 has rough in directions for this model.

Hope this will help also you contact eljer at for further information.

Jun 10, 2010 | Eljer 161-1155-00 White Dover Wall Mount...

2 Answers

I am instaling a shower under my house and i was hoping to get away with not cutting into the concrete for the drainage, is it possible to raise the shower bottom a foot of the ground for the drainage, and...

Yes, you can raise to avoid the cut by raising shower as long as gravity drain can occur, i.e. you can drain the shower to connect to existing drain lines. Definately put the s-trap in, if no trap then plumbing gas comes back and shower will smell. Remember to put in a plumbing vent or tie in to existing vent.

Mar 19, 2010 | Jacuzzi 8730-829 Bath Rotary Drain Kit,...

1 Answer

I have a Sloan urinal that will not stop flushing. I have rebuilt it with a total rebuild kit. I cleaned the inside of all surfaces and I flushed the entire piping system to no avail. It will not stop...

The rubber vacuum relief needs to also be changed if you have not. It is located in the tube that runs down to the urinal from under the flush valve. The handle could be hanging up.....or there could still be sediment stopping the diaphragm from working properly.

Nov 21, 2009 | NRS 180-1.5 Sloan Exposed Urinal...

1 Answer

Urinal will flush, but will not stop.

You will need a sloan rebuild kit. They are inexpensive, and fairly easy to install. Check Sloan's website, or a plumbing supply house for the rebuild kit. You do not have to shut water off to the entire building to do this work. You will notice a chrome cover on the front portion of the line coming out from the wall. Remove this cover, and you will find a flat head screw. Turn the screw clockwise, and this will shut the flow of water off that is going to the area you will need to work on. The rebuild kit will come with instructions on the install. Again, it is relatively easy to replace. Just make sure you shut the water off, or BIG SURPRISES in your future.

Nov 20, 2009 | Sloan 180-1 Exposed Urinal Flushometer -...

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