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    lesamj's Avatar
    lesamj Posts: 1, Reputation: 1
    New Member
     
    #1

    Jan 27, 2019, 05:53 PM
    Water heater
    I can't get my new water heater to fill up unless I turn on the water and leave it running at the sink inside the house?
    talaniman's Avatar
    talaniman Posts: 54,044, Reputation: 10852
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    #2

    Jan 28, 2019, 07:54 AM
    Who put the new water heater in? How do you know it's not filling as it's supposed to?
    massplumber2008's Avatar
    massplumber2008 Posts: 12,782, Reputation: 1210
    Senior Plumbing Expert
     
    #3

    Jan 28, 2019, 05:37 PM
    Hi Lesamj

    That's how it works, friend. You must displace the air from the tank in order to fill the tank with water and the only way to do that is to open a faucet (or the T&P valve on the side of the tank) and replace the air with water. When water flows cleanly out of the faucet, without sputtering, then you tank is full and you are all set to turn on the electricity (if electric) or light the pilot (if gas) and you are done!

    Mark

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