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Thread: Install Tub Shower Combo without Tub Filler

  1. #1
    DIY Junior Member hormy_83's Avatar
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    Default Install Tub Shower Combo without Tub Filler

    We are remodeling our bathroom, which includes ripping out our prior shower stall and re-tiling it. My wife picked out a shower head / tub filler combo at the local big box store, and it comes with a 4 port valve. She picked the Moen Varese

    My question is, since this is a shower stall, I have no need for the tub filler, but have not found this Moen head without it. So there are 3 things I was thinking I could do - either buy a 3 port valve and use that with this, cap the tub filler port on the valve when I install it, or bring the tub filler valve up and T it into the shower supply line. What is the best solution?

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    Last edited by Terry; 10-26-2011 at 10:54 AM.

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    The SOP is to Cap it.

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    DIYer, not in the trades LLigetfa's Avatar
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    Some people will pipe the tub spout outlet to a wall union to use as a toe tester which can also be used as a short spout close to the floor to draw water for cleaning.

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    Forum Admin, Expert Plumber Terry's Avatar
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    We normally just cap the bottom outlet.

    Last edited by Terry; 10-26-2011 at 10:55 AM.

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    DIY Junior Member hormy_83's Avatar
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    Thanks for the replies! I also spoke to Moen and they said this valve is able to be installed upside down - I just have to remove the cartridge and reinstall that right side up. So I will do that and cap the valve that is pointed down (original shower valve).

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    Plumbing Contractor for 49 years johnjh2o1's Avatar
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    Why would you install the valve upside down? Just cap the spout.

    John

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    DIY Junior Member hormy_83's Avatar
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    Quote Originally Posted by johnjh2o1 View Post
    Why would you install the valve upside down? Just cap the spout.

    John
    They said because the valve to the bath filler provides more pressure than the valve up to the shower head. So if you only will be using one, you may as well use the one that allows more pressure through.

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    Plumbing Contractor for 49 years johnjh2o1's Avatar
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    You can only get 2.5 gallons per min. out of the shower head no matter what size the opening in the valve is.

    John

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    DIY Junior Member hormy_83's Avatar
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    Yes, they did say the shower head would still limit the amount of water coming out. But I think they made some comment about if there was any water pressure fluctuation in the house it may be better to have it installed this way. I also figured if I change the head / add a hand held shower it may be nice. It really isn't any more difficult installing it one way or the other - so why not?

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    DIY Senior Member BobL43's Avatar
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    Quote Originally Posted by hormy_83 View Post
    Yes, they did say the shower head would still limit the amount of water coming out. But I think they made some comment about if there was any water pressure fluctuation in the house it may be better to have it installed this way. I also figured if I change the head / add a hand held shower it may be nice. It really isn't any more difficult installing it one way or the other - so why not?
    Sweat soldering is the same; what did you really mean by is it more difficult? Either way, you need to cap off the bottom port. I don't know if the valve you have is the sweat type Terry has shown or if it has thread ports, but the work involved would be the same. If you sweat it, the cartridge needs to be removed first anyway so its components won't get damaged by the heat.
    I am definitely not a pro plumber, but I am a pro crastinator

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    DIY Junior Member hormy_83's Avatar
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    It wasn't a question as to if it is more difficult, sorry - that was more of a statement on it isn't more difficult to install in right side up or upside down. But you are right, the valve that came with ours is threaded, and I'm going to be using copper for everything and soldering it all - so I will have the cartridge removed while doing that.

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    Forum Admin, Expert Plumber Terry's Avatar
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    hj commonly mentions flipping the valve upside down if it's being used as a shower only.

    You do get more volume that way. And if you are adding more shower heads, it may be noticeable.

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    Plumbing Contractor for 49 years johnjh2o1's Avatar
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    Thanks Terry I see his point.

    John

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    Plumbing Contractor for 49 years johnjh2o1's Avatar
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    Thanks Terry I see his point. Sorry about the DBL post not quite sure how that happened.

    John
    Last edited by johnjh2o1; 10-27-2011 at 09:19 AM.

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    Retired Defense Industry Engineer jadnashua's Avatar
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    Note that many of the rough-in valves that are threaded (male) allow you to insert the pipe into the fitting and solder it directly into the valve without any other fittings. Soldering it provides a bit more support and is immune to lousy female threaded fittings you may have that are difficult to seal properly.
    Jim DeBruycker
    Important note - I'm not a pro
    Retired Defense Industry Engineer; Schluter 2.5-day Workshop Completed 2013, 2014

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