Moen Push-fit connection

Discussion in 'Plumbing Forum, Professional & DIY Advice' started by Brandon M. Linker, Jul 18, 2013.

  1. Brandon M. Linker

    Brandon M. Linker New Member

    Jul 18, 2013
    Hi there. I just purchased a Moen 87350ESRS motion sense kitchen faucet. My concern is one review that stated the push fit connection going into the control box under the sink failed and flooded their house when they were away. Having received item and looking at the connection I can see how this might have happened. I was curious if my concerns are warranted. Here is a youtube video that shows the type of connection. If it doesn't take you straight to 3:55, please skip to that point.

    The connection is a simple metal male end that inserts into a female end that has 5 or 6 prongs with teeth on them inside. It allows the metal male end to slip past, but when trying to pull out, the metal teeth grab. What I'm concerned about is metal grabbing metal doesn't seem like a secure connection. Has anyone ever worked with these before? What are your thoughts?
    Last edited by a moderator: Jul 19, 2013
  2. hj

    hj Moderator & Master Plumber Staff Member

    Aug 31, 2004
    Cave Creek, Arizona
    They are similar in principle to Sharkbite fittings and are used on many faucets to make easy connections. I am not sure if the postings about failures are apocryphal, or actually happened, but ANY mechanical connection can fail.
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  4. jadnashua

    jadnashua Retired Defense Industry Engineer xxx

    Sep 2, 2004
    Retired Systems engineer for defense industry.
    New England
    If the male end is not fully inserted, it may work for a bit, but pop out. It must be installed properly, and if done so without cocking it and breaking something until it is locked, it should be fine.
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