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Thread: Expansion Tank Installation

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    DIY Junior Member BigSkeet's Avatar
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    Feb 2008
    Chapel Hill, NC

    Default Expansion Tank Installation

    I was able to find this previous post here: http://www.terrylove.com/forums/show...t=3476...still have a couple of novice questions.

    1. Is it necessary to drain the water heater when installing an expansion tank? 80 gallons is a lot to discharge, and we're under severe drought restrictions right now.
    2. Can the expansion tank be located anywhere on the cold water line, or is there a preferred location? My only available location to stick this puppy is a crawl space just after the pressure reducing valve.

    If anyone has any additional guidance, do's or don'ts, please share!

    Last edited by Terry; 06-12-2008 at 11:01 AM.


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