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Thread: Freestanding tub faucet connection advise

  1. #1
    DIY Member dirtmover's Avatar
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    Default Freestanding tub faucet connection advice

    I'm looking for advice on connecting the water supply to a freestanding tub faucet. The risers terminate in 1/2" NPS (male) under the floor. Standard flex connectors are the obvious option but I'm not sure it's a good idea fully enclosing this type of hose under the floor. A secondary concern is that the restriction introduced by these hoses will impact the fill time. Tell me if I'm unduly concerned but is there a better, more robust, permanent way to transition from 1/2" copper to 1/2" NPS.
    Last edited by dirtmover; 07-28-2011 at 10:09 AM.

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    Retired Defense Industry Engineer jadnashua's Avatar
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    Flexible connections should not be installed in hidden spaces. You can get chromed nipples which would likely work. Regardless, the unit will need some bracing - either to the wall or the tub - it can't just be sticking up from the fitting in the floor. this often comes with the unit.
    Jim DeBruycker
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    DIY Member dirtmover's Avatar
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    Quote Originally Posted by jadnashua View Post
    Flexible connections should not be installed in hidden spaces.
    Yeah, this was my concern.


    Quote Originally Posted by jadnashua View Post
    You can get chromed nipples which would likely work.
    I cannot find anything like this. Do you have any links?


    Quote Originally Posted by jadnashua View Post
    Regardless, the unit will need some bracing - either to the wall or the tub - it can't just be sticking up from the fitting in the floor. this often comes with the unit.
    Yeah, I've got some flanges screwed to the floor to mount them in. They are solid.

  4. #4
    Retired Defense Industry Engineer jadnashua's Avatar
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    Google is your friend (most of the time?!)...http://www.*******************/chrome.html
    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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    Moderator & Master Plumber hj's Avatar
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    There are MANY ways to connect a freestanding tub faucet, but the RIGHT one depends on the faucet and what you have to connect to AT THE FLOOR, NOT underneath it.
    Licensed residential and commercial plumber

  6. #6
    DIY Member dirtmover's Avatar
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    Quote Originally Posted by jadnashua View Post
    Google is your friend (most of the time?!)...http://www.*******************/chrome.html
    Yeah, this was one of the first hits I got when I searched for chrome nipple. Unfortunately I believe these are all tapered threads. I need straight with a gasket or cone washer to make the seal just like on these braided hoses that I can't use.

    Quote Originally Posted by hj View Post
    There are MANY ways to connect a freestanding tub faucet, but the RIGHT one depends on the faucet and what you have to connect to AT THE FLOOR, NOT underneath it.
    The risers are like these ones http://www.tubz.com/images/riobel/tu26.jpg from this page http://www.tubz.com/riobel-tub-faucets.htm. There is about 4" of NPS thread that goes THROUGH the floor which means that the supply MUST be connected BENEATH the floor.

    Here is another similar example http://www.cheviotproducts.com/asset.../5100_3965.pdf "2. Lower riser tubes THROUGH the floor
    3. BELOW floor, install other Tie Down Nut (leave loose and attach faucet) and then tighten tie down nuts, securing riser tubes to the floor.
    ". The supply will be finally connected UNDER the floor.
    Last edited by dirtmover; 07-29-2011 at 10:09 AM.

  7. #7
    Moderator & Master Plumber hj's Avatar
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    Those manufacturers have a very simplistic concept for connecting their faucets. They assume EVERY installation has access below the floor when the faucet is installed. In fact, in most cases the house is well on the way to completion before the tub is installed, and slab floor installations NEVER have access under the floor.
    Licensed residential and commercial plumber

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    DIY Junior Member presidentsdad's Avatar
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    I have an add on to this question. What is the best way to connect the drain for a free standing tub when there is no access to the drainage plumbing from underneath?

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