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  1. #1
    Join Date
    Dec 2012
    Posts
    13

    Default Low water pressure on second story

    Just bought a 100+ year old house that had a bathroom installed on the second floor years after the house was built. I seem to be getting pretty decent pressure on the main floor but upstairs is just better then a trickle. Any suggestions?

  2. #2
    Join Date
    Aug 2008
    Posts
    69

    Default Re: Low water pressure on second story

    The seller of the property usually has a legal responsibility to reveal any such plumbing defects at the time of the house sale; did you have the house inspected by an inspector before you purchased the property?

    Older homes are much more likely to have numerous dysfunctional components in the heating system, water supply, electricity, roofing, siding, foundation, etc.

    Do you have well water, or city water; are the water supply pipes coming into the house steel, copper, or some other composition?

    Check your cellar or utility room for any controls on the well pump or city water that will enable you to adjust for higher pressure; well water equipment is owned by the homeowner & the associated pump efficiency would depend on you to get the equipment working up to snuff; if you have city water, they will usually check it out free of charge; sometimes the supply pressure is ok, but the piping from the street into your home is made of steel and corrodes internally over time, reducing the force the water can maintain for needed 2nd floor pressure.

    You can buy a screw-on pressure gauge at Home Depot/Lowe's that you can screw on to an outside faucet to test the water pressure; house pressures for residential water supplies can range from 20 psi to 80 psi.

    Oftentimes, there is some consolation in buying an older home; often, the buyer is unable to afford a more expensive home at this point in time, but can in coming years; and a surprising number of buyers aren't aware that they can hire a housing inspector to uncover the defects present before the sale; the property itself may be in a good location; the 2nd floor can be rented out for a time (strongly recommended) to defray DIY costs & take advantage of the great Federal tax write-offs allowed by the tax laws for rental property repairs; it may be difficult for the next few years, but eventually you will land on your feet; don't get discouraged---- you can do it---we can help.
    Last edited by von_steuben; 12-06-2012 at 12:40 AM.

  3. #3
    Join Date
    Dec 2010
    Location
    Houston Texas
    Posts
    2,363

    Default Re: Low water pressure on second story

    Pressure is one thing, flow rate is quite another.

    You can have high pressure in a tiny tube and get no water.

    Are your pipes galvanized? Over 30 years old?

  4. #4
    Join Date
    Dec 2012
    Posts
    13

    Default Re: Low water pressure on second story

    Waterlines coming into the house are copper as through out most of the house. Water lines leading up to the second level are galvanized. Any suggestions on replacing the galvanized lines going to the second floor bathroom?

  5. #5
    Join Date
    Jul 2010
    Location
    SoCal
    Posts
    5,084

    Default Re: Low water pressure on second story

    Replace all your galvanized pipes - they must be badly corroded and cause your problem.

  6. #6
    Join Date
    Oct 2012
    Location
    Houston, TX
    Posts
    235

    Default Re: Low water pressure on second story

    Quote Originally Posted by Gennesee Sampson View Post
    Waterlines coming into the house are copper as through out most of the house. Water lines leading up to the second level are galvanized. Any suggestions on replacing the galvanized lines going to the second floor bathroom?
    PEX would be the easiest to pull, but you will already be doing some damage taking out the galvanized lines. It's a great chance to replace all of your shutoffs and supply lines as well, because they are full of rust bits.

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