outside shower hookup to house supply

Discussion in 'Plumbing Forum, Professional & DIY Advice' started by rxnet, Jun 2, 2010.

  1. rxnet

    rxnet New Member

    Messages:
    6
    Location:
    south jersey
    Trying to get suggestions on hooking up an outdoor shower with hot/cold supply lines. The shower has 1/2 inch MIPS and the current supply lines are standard 1/2" copper. My design was to use stainless flex supply lines from the shower through the wall and into the crawl space attaching to CPVC lines with shutoff valves and from there tie into the copper house supply lines using compression T's. In the winter, this would allow me to shut off the water supply to the shower, unscrew the stainless supply lines under the house , and pull off the shower head to store for the winter. (the shower head is 4ft wall mounted). If this would work , I'm not sure which fittings and what size fittings,pipe, adapters,valves, etc.. I would need to complete the run from the compression T to the 1/2" shower MIPS. any help would be greatly appreciated!!!

    walt
  2. rxnet

    rxnet New Member

    Messages:
    6
    Location:
    south jersey
    would this work (I'm trying to avoid soldering) shower 1/2 mips > 30" 1/2"FIPS x 1/2" FIPS stainless steel flex connector > (metal male adapter) 1/2" MIPS Brass with 1/2" CPVC slip > 1/2" CPVC pipe > 1/2" CPVC ball valve > 1/2" CPVC pipe > (metal male adapter) 1/2" CPVC slip with 1/2" MIPS brass > 1/2" Reg female adapter 1/2" FIPS x C > compression T > supply lines 1/2" copper tubing ??
  3. Doherty Plumbing

    Doherty Plumbing Journeyman & Gas Fitter

    Messages:
    810
    Location:
    Penticton, BC
    We like pictures....
  4. rxnet

    rxnet New Member

    Messages:
    6
    Location:
    south jersey
    pics

    here are the pics...stainless flex > cpvc/brass fitting > 1/2" CPVC > ball valve > 1/2 cPVC > cpvc/brass fitting > copper fitting > compression T

    Attached Files:

  5. wallskev

    wallskev New Member

    Messages:
    72
    Location:
    North Carolina,USA
    Double Vlave less prone to issues

    I have a outdoor shower system that drains etc and feel it would be better not to use the Braided Flex and have to disconnect them etc.

    1. Use Pex in place of CPVC, easer and less trouble
    2. Utize a Double Drain Valve system, 1 to shut off flow and 1 to use as Drain.

    I use ball valves and have my drain do direct to a sump . Keep a pitch on the lines from the "T" connection to the Shower Vlaves and you will alwas have a good winter drain.

    Kevin

    Attached Files:

  6. Doherty Plumbing

    Doherty Plumbing Journeyman & Gas Fitter

    Messages:
    810
    Location:
    Penticton, BC
    Ummmm I meant pictures of where you want to install this stuff... not of the fittings.
  7. rxnet

    rxnet New Member

    Messages:
    6
    Location:
    south jersey
    kevin

    are the chances pretty small that the pex would freeze between the main and first ball valve with that set-up?
  8. rxnet

    rxnet New Member

    Messages:
    6
    Location:
    south jersey
    after reading the thread I'm going with the PEX ....I'll set it up as in kevins diagram above..my only question..... would I be able to connect a 1/2" male NPT fitting to a 1/2" FIP fitting and what would I use to seal it??...sorry , newbie here just trying to learn and save a little cash. thanks for the help!!
    Last edited: Jun 6, 2010
  9. Redwood

    Redwood Master Plumber

    Messages:
    7,450
    Location:
    Connecticut
    I usually stop calling it an outside shower.
    It helps with code requirements that drive up the cost substantially... IE pressure balancing and drainage...
    I install a Moen HC Frostproof hose bibb and leave it to the customer to install a washing machine hose connecting to a showerhead.
    As long as they disconnect the hose at the end of the season there is no freezing problem...
    The Moen will not deliver full hot but it is a very comfy beach shower as most are cold only...
  10. rxnet

    rxnet New Member

    Messages:
    6
    Location:
    south jersey
    can you explain the pressure balancing??
  11. jadnashua

    jadnashua Retired Defense Industry Engineer xxx

    Messages:
    22,188
    Location:
    New England
    All showers in the US require anti-scald technology. If the installation is going to be inspected, you need a proper shower valve with that technology in it. A pressure balanced valve is one way that you can achieve that. It means that if the pressure (and usually the volume) changes on one side (say someone flushes a toilet), that could change the outlet pressure and therefore the temperature (hotter!). A pressure balanced valve adjusts the flow (because of the pressure change) so the flow rates from both sides remains the same (and thus the temperature). The other common way to do this is via a thermostatically controlled valve.
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