Pressure Dropped in shower head, not tub faucet

Discussion in 'Shower & bathtub Forum & Blog' started by sfwill68, May 9, 2010.

  1. sfwill68

    sfwill68 New Member

    Messages:
    1
    Location:
    Madison, WI
    Some facts behind the story:

    1. I turned off the toilet and sink valves to remove these fixtures for tiling the floor. During the 10 days of the project the tub faucet was used a few times, but not the shower head.

    2. Thinking the problem was lime build up in the head due to letting it dry out for several days, I did two CLR treatments - no improvement.

    3. Toilet, sink and tub all still have full pressure, but the shower has pitiful pressure.

    QUESTIONS:
    1. Is it possible that there's some sort of build up in the pipe above the tub faucet?

    2. If yes, is there any way to flush a cleaning solution backward through the pipes to clean it out?

    3. What else should I look at?
  2. krow

    krow Plumber

    Messages:
    906
    Location:
    Ontario, Canada
    Remove the shower head and flush the riser, then check for any visible debris in the sower head.

    Install and check pressure again.
  3. hj

    hj Moderator & Master Plumber Staff Member

    Messages:
    26,252
    Location:
    Cave Creek, Arizona
    did you just unscrew the head, or did you also remove its attachment to the shower arm. I had one a week ago, that cost the customer a high service charge for me to remove that piece and scrape the debris out of its screen.
  4. yngwie_69

    yngwie_69 New Member

    Messages:
    61
    Location:
    Prince Rupert, BC
    Any Time you shut valves off, its a good idea to remove the Aerators and flush the line out first
  5. django5

    django5 New Member

    Messages:
    3
    Location:
    Overland Park, KS
    I am having a similar problem as the OP and posted a thread about this----did you find a solution?
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