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SO, this is my overflow setup... obviously I have a plumbing problem...

 

The setup you see coming from the left goes about 1/2 an inch down to the right,, has a flushing effect... VERY LOUD and very annoying

 

 

can someone else give me an idea on how to fix it... as far as I can tell Im just going to have to cut the PVC off and put 2 seperate soft lines to the sump

 

plumbing.jpg

(edited)

Is the durso making a gurgling sound...if yes...I've had success making a small hole and either leaving it as is or sticking a small piece of tuning in it ....it's made mine silent....dead silent

Edited by Fishie

I dont have a durso or any other piping than what you see... its just 2 overflow holes drilled through the back of the tank....

Is the durso making a gurgling sound...if yes...I've had success making a small hole and either leaving it as is or sticking a small piece of tuning in it ....it's made mine silent....dead silent

 

I have the same problem, except mine has the hole and the tubing. I have never really understood the science of this. How far is the tubing sticking down into the pipe? A little? A lot? Thx in advance.

You need some vents close to the bulkhead. What does the inside of the tank look like?

 

+1

You normally vary the depth of the tubing in the drain until it quiets down. The problem that I see is that you have such a long run on the left and the two sides are tied together into a common drain. What's happening is that the left hand drain is acting like a plumbing vent and is sucking air through the bulkhead. A piece of tubing may help, but I've never seen a drain come off horizontally like this. I like to tee off of the back of drains like this. Alternatively, you can use an downward pointing elbow with a piece of tubing tightly inserted into a hole drilled into the top of the ell.

Also on drainlines I always go straight down then when I combine them I make sure the pipe size increases so the water doesn't fight to get to the sump.

If you have 2 separate drains, you can add valves to more finely tune the outflow to match the return pump flow, then you get less noise.

The pump barely seems to have much pressure as it is, if I turn it down in its current position there will be no flow, lol

 

Its not a constant gurgeling,,, its more like a flushing, which is leading me to believe that the one overflow is fighting for air while the other is fine...

 

What I have decided to do is cut off what I have in the back, put on an elbow on each with a ball valve near the top and have them head down at a 45degree towards the center, and then put soft tubing on each to go into the sump/// hopefully this will stop it, then if I need to I can shut the valve to make them match....

obviously I have a plumbing problem...

 

Indeeed. I think the slopping down and the asymetry are your problems. You could replumb the whole thing, but might end up with different problems.

 

For a quick fix, you might consider adding a T to the horizontal line pointing upwards. Then attach a small piece of plumbing so it rises up above the tank rim. Then take a PVC cap and drill a hole into it (about 1/8" should be fine). Then put the cap on the stand pipe. I wouldn't cement the cap on until you get the hole the right size.

Don't cement the cap since it doesnt get water to it and then it also acts as a cleanout in case something gets stuck in the pipe. Redoing the plumbing without vents (the t's) you will probly have the same issue.

SO it seems it would be best to cut off what I have on there, put on T's from each overflow pipe out one with a cap (with a hole) set ontop and the bottom with a pvc piece and then some flex hose to go into my sump? or should I just hard plumb it all the way down?

Sounds like it would work to me. I only hard pipe mine because I have a car that loves to get into stuff and I would be scared he would play with the flex. Either should work.

SO it seems it would be best to cut off what I have on there, put on T's from each overflow pipe out one with a cap (with a hole) set ontop and the bottom with a pvc piece and then some flex hose to go into my sump? or should I just hard plumb it all the way down?

Yes. It would be better than what you have there now.

If you have 2 separate drains, you can add valves to more finely tune the outflow to match the return pump flow, then you get less noise.

 

1+

 

I'll get used to mine after a while. It's actually work out great for me because, if I don't hear it. I know something is wrong.

You know, I never "tune" my drain by intentionally restricting it without having a secondary (backup) drain to handle problems if there are restrictions in the first. I think that's setting yourself up for a problem. A Herbie-style drain has a backup for this very reason.

Yea lots of people suggested valves on a drain to me but I think the odds of something getting stuck in the drain where the valve is is to high. Our system is fairly loud and I would rather deal with noise then worry about what could happen.

I don't mind putting a valve on a drain. I just leave it wide open unless I need to work on the plumbing and have need to do a little surgery.

1+

 

I'll get used to mine after a while. It's actually work out great for me because, if I don't hear it. I know something is wrong.

 

I feel the same way. I like some sound, just not so loud that it would keep me awake.

 

As long as I can ever help it, I won't keep a tank with only one drain hole.

Well, considering ourr bedroom is on the 3rdoverflows floor and the tank is on the first and its loud enough for me to hear ...ugh

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