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Thread: Multiple saddle valves

  1. #1

    Default Multiple saddle valves

    Is there any reason why I shouldn't have two saddle-valve connected appliance s on a cold-water suplly line under a kitchen sink (an ice maker and a hot-water dispenser)?

    Thanks much,

  2. #2
    Retired Defense Industry Engineer jadnashua's Avatar
    Join Date
    Sep 2004
    New England


    I personally don't like them and would rather put in real shutoff valves, but my guess from a DIY viewpoint is it's okay. The seal on those things is a little bit of rubber. It pierces the copper to let the water in. On most of them I've read the instructions for say not to use them as a volume control, but they do (usually) let you shut it off. If it gets knocked and you turn it off, it can make the hole larger when you screw it back in. Not usually a problem.

    I've seen a 3-way shutoff valve in a catalog. Replace the existing valve with a 3-way, and no saddle valves needed.
    Jim DeBruycker
    Important note - I'm not a pro
    Retired Defense Industry Engineer; Schluter 2.5-day Workshop Completed 2013, 2014

  3. #3
    In the Trades Gary Swart's Avatar
    Join Date
    Sep 2004
    Yakima WA

    Default Saddle valves

    The general opinion from the plumbers on this board is that saddle valves are not too good. It is not a question of will they fail, but when will they fail. I got rid of the one that lead to my ice maker for that reason.

  4. #4
    Moderator & Master Plumber hj's Avatar
    Join Date
    Aug 2004
    Cave Creek, Arizona

    Default valve

    One saddle valve is bad enough, why would you want to use two of them? If you insist on using one, just use one and tee the second device into the copper tube after the valve.


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