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    barknk's Avatar
    barknk Posts: 4, Reputation: 1
    New Member
    		  
    #1

    May 29, 2011, 01:46 PM
    Does anyone no why I would have low water pressure, hot and cold, after draining my s
    Does anyone no why I would have low water pressure, hot and cold, after draining my system and installing a new water heater. The pressure switch says I have between 30 & 50 psi, but there is no way. I do have a pump that pumps in a product to bring the acidic ph down.
    Milo Dolezal's Avatar
    Milo Dolezal Posts: 7,192, Reputation: 523
    Plumbing Expert
    		  
    #2

    May 29, 2011, 02:57 PM

    Is it in all bathrooms or in one plumbing fixture only ?
    jv_apo's Avatar
    jv_apo Posts: 2, Reputation: 1
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    #3

    May 29, 2011, 03:30 PM
    Have you allowed the air to get out of the system by running water for awhile? Check your pump's associated air bladder pressure with a tire gauge to see if it is normal.
    jlisenbe's Avatar
    jlisenbe Posts: 5,020, Reputation: 157
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    #4

    May 29, 2011, 06:37 PM

    The pressure switch does not tell you how much pressure you have. You need a gauge for that. Granted, the switch is set, in your case, to 30/50, but it might not be functioning correctly. Do you have a gauge?
    barknk's Avatar
    barknk Posts: 4, Reputation: 1
    New Member
    		  
    #5

    May 30, 2011, 04:48 AM
    Comment on Milo Dolezal's post
    Yes it is throughout the entire house. Happened after draining the system and installing a new Water Heater.
    barknk's Avatar
    barknk Posts: 4, Reputation: 1
    New Member
    		  
    #6

    May 30, 2011, 04:49 AM
    Yes it is throughout the entire house. Happened after draining the system and installing a new Water Heater
    rjh2o's Avatar
    rjh2o Posts: 58, Reputation: 13
    Junior Member
    		  
    #7

    May 30, 2011, 05:22 PM
    The main water valve where you shut water off is probably not opened all the way. If it is a gate valve, the gate may have come unscrewed. Check the water volume and pressure coming from boiler drain on the well tank to see how that is. Also check outside spigots if they are on a separate line.
    RJ
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