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    shayes3's Avatar
    shayes3 Posts: 6, Reputation: 1
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    #1

    Apr 13, 2015, 05:04 PM
    My water not shutting off from the tank less water heater hot and cold water valve
    I need to change the shower cartridge,but can't get the water turned off.
    ma0641's Avatar
    ma0641 Posts: 15,675, Reputation: 1012
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    #2

    Apr 13, 2015, 05:09 PM
    Turn the water off at the main house valve or at the meter box.
    shayes3's Avatar
    shayes3 Posts: 6, Reputation: 1
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    #3

    Apr 13, 2015, 05:14 PM
    My water not shutting off from the tank less water heater hot and cold water valve
    Trying to change shower cartridge
    shayes3's Avatar
    shayes3 Posts: 6, Reputation: 1
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    #4

    Apr 13, 2015, 05:54 PM
    Quote Originally Posted by ma0641 View Post
    Turn the water off at the main house valve or at the meter box.
    Where can I find the main house valve?
    ma0641's Avatar
    ma0641 Posts: 15,675, Reputation: 1012
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    #5

    Apr 13, 2015, 06:38 PM
    Where the water comes into your house. In the US, it is typically just inside the wall, connected to a 3/4 or 1" pipe, should be a gate valve and maybe a pressure reducer.
    ballengerb1's Avatar
    ballengerb1 Posts: 27,378, Reputation: 2280
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    #6

    Apr 13, 2015, 07:11 PM
    Have you tried shutting off your main for the whole house?
    shayes3's Avatar
    shayes3 Posts: 6, Reputation: 1
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    #7

    Apr 13, 2015, 08:09 PM
    Quote Originally Posted by ballengerb1 View Post
    Have you tried shutting off your main for the whole house?
    Having a lot of trouble locating that valve,do I have to shut off water to the bathroom shower to came out shower cartridge
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    ballengerb1 Posts: 27,378, Reputation: 2280
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    #8

    Apr 14, 2015, 08:39 AM
    No way to change a cartridge without shutting off the water. The main shut off should be on the front street side of the basement.
    shayes3's Avatar
    shayes3 Posts: 6, Reputation: 1
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    #9

    Apr 14, 2015, 10:08 AM
    I don't have a basement,I'm in Texas
    ballengerb1's Avatar
    ballengerb1 Posts: 27,378, Reputation: 2280
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    #10

    Apr 14, 2015, 10:27 AM
    It is possible that your shut off is outside in your yard near the edge of the road. Look for a flush to the ground box. You can call your water supplier and ask where/how to locate the shut off.
    afaroo's Avatar
    afaroo Posts: 4,006, Reputation: 251
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    #11

    Apr 14, 2015, 12:07 PM
    Hello Shayes,

    I agree with Bob you can't change a cartridge without shutting off the water, also if tell us the brand and the model number of you shower valve because some shower valves has hot and cold shut offs installed in faucet valves, or a picture will work, Thanks.

    John
    shayes3's Avatar
    shayes3 Posts: 6, Reputation: 1
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    #12

    Apr 14, 2015, 04:54 PM
    Attachment 47323Attachment 47324Attachment 47325Attachment 47326

    It's a kohler but I don't know the model number

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