Drain Saddle for Reverse Osmosis Installation


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Old 05-10-17, 08:39 PM
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Drain Saddle for Reverse Osmosis Installation

I am wanting to make sure that I am drilling into the right spot to install the drain saddle. I have attached a picture. Is this correct? Thanks!Name:  sink.jpg
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Last edited by molski; 05-10-17 at 09:06 PM.
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Old 05-10-17, 09:26 PM
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Your situation is unique (the trap is too high), they didn't leave you much room. I would recommend the short wall arm. The location you pointed to is double walled and you want single walled.

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Old 05-11-17, 08:13 AM
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Thank you for this info. Makes sense.
 
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Old 05-11-17, 12:55 PM
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Nope. you are right in the fact that the drain should be hooked up before the trap... not after..
 
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Old 05-11-17, 08:24 PM
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Oops, I did not know that..... Thanks Mike.

Luckily I don't think I ever did it, there's usually always a waste arm.
My concern was the saddle wouldn't fit the hub part of the extension.
Maybe find a longer disposer elbow and eliminate the extension above the trap.
 
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Old 05-12-17, 04:21 AM
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My RO required that the drain be installed to an open air drain line, I could see this getting a lot of crud that could plug up the line.

Is this what the manufacture recommends?
 
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Old 05-12-17, 05:11 AM
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Ok, well damn. I installed it yesterday and chose the small horizontal spot that handyone suggested. I do not believe it could have fit on the vertical pipe that I initially suggested, the saddle was an awkward fit on there.

What is going to happen if I leave it as-is? I attached a picture of the instructions; my setup looks nothing like the instructions, which left me confused on the proper spot to install it.

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Old 05-12-17, 06:41 AM
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If the line ever did not seal you would get a sewer gas release in the home.
 
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Old 05-12-17, 09:35 AM
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Sorry about that. If you want to fix my mistake you only need 2 parts:

A is a 1-1/2" tubular slip trap
B is a disposer discharge tube
C (extension tube) will be eliminated and replaced with the longer discharge tube. The longer elbow will give you vertical room to connect the saddle.

Your elbow looks like a compression type, not a flange with washer like most.
Post a picture of the elbow after removed to verify flange type.

It looks like you can use a tubular trap wall arm as a discharge tube:

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Old 05-12-17, 09:49 AM
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Thanks for the help everyone. No worries, I just went ahead and switched it out this morning. I was able to get to fit in the vertical pipe pretty well after messing with it for a bit. Thanks.
 
 

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