Long....and level

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bradah

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I was looking to install my second Drake upstairs and started by looking at the plumbing from the toilet down to the basement. This is what I found. Above this and to the right (maybe 18 inches up) is the toilet. The flush water flows down, left, and then down this long run.

I'm wondering if there will be a problem carrying the waste water as it will only be 1/3 the water that is being used right now. I currently have a 3.5 gallon toilet and I'm concerned that with little angle on this pipe (it almost looks level), that I may have a back up/clogging problems. Can anyone comment on this?

By the way, this level run is about 15-18 feet before it angles down into the basement and then to the sewer tank.
 

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Jadnashua

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First, measure the drop over the length. If it is 3" pipe, you need 1/4" or more per foot; if it is 4" pipe, you can get by with less, about 1/8" or sol.

If the pipe has sufficient slope, the lower volume won't hurt anything. In most circumstances, a single flush doesn't move the solids all the way to the street. As water moves by, say from the shower or the next flush, it moves it a little further.
 

bradah

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next step

Ok........thanks for those tips. I've done some further investigation and this is where I'm at.

I've not taken the toilet off to see what I have. But, I am 99% sure that I will find the same situation I did in the downstairs toilet. The flange was cast iron and was rusted beyond repair. I had to cut the whole thing out from in the basement.

What are my options here? I have about 1 inch of pipe to use (assuming I cut off the flange. Seems the new flange would be too low.

Is there an option where the new flange goes inside the pipe?

I'd like to explore all my options before I take the toilet out as my wife is not too keen on having only one working toilet :eek:
 

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Jadnashua

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You can buy a tool that will drill out the pipe from the socket of the elbow. Then, you can install a new riser and attach the flange to it.
 

bradah

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thanks for the tip

Does this tool have a specific name?


Any other options?
 

Jadnashua

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There are a couple of different companies that make them, their names elude me at the moment. This comes up often, I probably should remember...try searching on this site (blue bar above).
 

FloridaOrange

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First, measure the drop over the length. If it is 3" pipe, you need 1/4" or more per foot; if it is 4" pipe, you can get by with less, about 1/8" or sol.

If the pipe has sufficient slope, the lower volume won't hurt anything. In most circumstances, a single flush doesn't move the solids all the way to the street. As water moves by, say from the shower or the next flush, it moves it a little further.

Just for future reference Jim, in Florida at least, 3" and above is installed 1/8" pf, anything less is 1/4".
 

Jadnashua

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One is called Rambit. It has a guide that fits inside the pipe to keep it centered, and a cutter that essentially cuts the pipe out of the fitting. Not very expensive. different ones for each size pipe.
 
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