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Preferred orientation for stop valve stem?

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CLamb
CLamb Member Posts: 281
in Plumbing
Other than for ease of access is there a preferred orientation for a residential water stop valve stem?

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  • Gilmorrie
    Gilmorrie Member Posts: 185
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    I would go with ease of access - no matter what the stem orientation. I think vertical, with the stem pointing up looks nice. Stop-check valves (a.k.a. flo-control valves) need to be oriented so the disc hangs down when there is no flow. Ditto for some check valves.
  • EBEBRATT-Ed
    EBEBRATT-Ed Member Posts: 15,524
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    A stop and waste is usually at 9:00 or 3:00 so the drain will be on the bottom. Any other valve straight up is always best because crud travels on the bottom of the pipe.

    But it's not always possible to mount them straight up
  • Intplm.
    Intplm. Member Posts: 1,949
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    Many codes do not allow stop and waste valves.

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