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Thread: seems like the water heater connections are rusting after 1 month..is this normal?

  1. #1
    DIY Junior Member dooo42's Avatar
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    Default seems like the water heater connections are rusting after 1 month..is this normal?

    on 8/16/2010 i had a tankless rinnai water heater installed by my gas company and it seems that some of the pipe connections, in and outside of the house look like they are rusting. is this suppose to happen? should i have the gas company look at it.

    thanks
    Last edited by dooo42; 09-27-2010 at 02:39 PM.

  2. #2
    Retired Defense Industry Engineer jadnashua's Avatar
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    Are the things rusting black iron pipe? If so, first, that may not be the best thing for outside, and second, if it is allowed needs to be painted, or like any iron, will rust.
    Jim DeBruycker
    Important note - I'm not a pro
    Retired Defense Industry Engineer; Schluter 2.5-day Workshop Completed 2013, 2014

  3. #3
    DIY Junior Member dooo42's Avatar
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    The outside pipe looks like it's black with gray paint on it but rust is coming through. the inside rust looks like it's occurring at connection points (these connection don't look black) between pipes and on pipe thread.

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    Forum Admin, Expert Plumber Terry's Avatar
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    Can you attach a picture, 800 pixels or less.?

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    George the Plumber Gsalet's Avatar
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    What connections are rusting the water inlet and outlet or the gas connections? picture is worth a thousand words

  6. #6
    DIY Junior Member dooo42's Avatar
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    Default here are some pictures

    here is a picture of connection inside my house. i'll get more up for you to check out
    Attached Images Attached Images  

  7. #7
    George the Plumber Gsalet's Avatar
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    Is this in a humid location? maybe a little oil or paint will slow it down

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