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Thread: Is this a drain? (above water softner loop)

  1. #1
    DIY Junior Member RobHydell's Avatar
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    Default Is this a drain? (above water softner loop)

    I want to add a water softener and don't want to make assumptions. Is this a drain that I can use for the softener's backwash? Thanks in advance for the help.

    The inlet and outlet at the bottom of the picture go to my whole house water filter.

    Name:  Drain Pipe.jpg
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  2. #2
    Plumber Winslow's Avatar
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    Quote Originally Posted by RobHydell View Post
    I want to add a water softener and don't want to make assumptions. Is this a drain that I can use for the softener's backwash? Thanks in advance for the help.

    The inlet and outlet at the bottom of the picture go to my whole house water filter.

    Name:  Drain Pipe.jpg
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    looks like a drain for a W/M standpipe.

  3. #3
    DIY Junior Member Brokersdad's Avatar
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    Think i'd take the end off of it and go to other areas of the house and run some water to see if you can hear it passing by the pipe to make sure it was in fact some type of drain. Who knows what people do when building

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    DIY Senior Member kreemoweet's Avatar
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    You don't want to make assumptions ... so you get on the internet and ask folks who can't possibly know even as
    much as you about that pipe, and ask THEM to make assumptions ... ?

  5. #5
    In the Trades Gary Swart's Avatar
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    This place was plumbed by a handyman. All of that PVC pipe is a dead give away. So, there's no way to tell by looking. You may have to open the wall to figure it out.

  6. #6
    Moderator & Master Plumber hj's Avatar
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    Pour some water into the pipe and see what happens. You have a catastrophe in the making with that PVC piping inside the house.
    Licensed residential and commercial plumber

  7. #7
    In the Trades Tom Sawyer's Avatar
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    But the guy at Home Depot said that it was the best stuff to use
    [B]No, plumbing ain't rocket science. Unlike rocket science, plumbing requires a license[B]

  8. #8
    DIY Junior Member RobHydell's Avatar
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    Quote Originally Posted by Winslow View Post
    looks like a drain for a W/M standpipe.
    Thanks for the information.

  9. #9
    Forum Admin, Expert Plumber Terry's Avatar
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    You have a catastrophe in the making with that PVC piping inside the house.
    PVC piping can't be used inside the home. That should be removed and replaced with CPVC or PEX
    PVC is only rated for use underground where the temperatures can remain cooler and constant. Using PVC for domestic hot water is a real NO-NO.

  10. #10
    DIY Senior Member bluebinky's Avatar
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    Just guessing, but the pipe in question could also be a "cleanout".

  11. #11
    DIYer, not in the trades LLigetfa's Avatar
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    Quote Originally Posted by kreemoweet View Post
    You don't want to make assumptions ... so you get on the internet and ask folks who can't possibly know even as
    much as you about that pipe, and ask THEM to make assumptions ... ?
    LOL... so true. I assume it is a combustion air supply.

  12. #12
    Moderator & Master Plumber hj's Avatar
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    it could be, but the configuration is all wrong for a cleanout, especially since it does not appear to have a removable cap or plug. If it were a washing machine drain, then where are the hot and cold water supplies a WM would need.
    Licensed residential and commercial plumber

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