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    BobTam's Avatar
    BobTam Posts: 2, Reputation: 1
    New Member
    		  
    #1

    Dec 9, 2014, 02:26 PM
    Gas water heaters on vacation status
    If I leave a 40 gallon gas water heater on pilot for 4 months, but shut off the water main... will the water evaporate in the water tank?
    hkstroud's Avatar
    hkstroud Posts: 11,929, Reputation: 899
    Home Improvement & Construction Expert
    		  
    #2

    Dec 9, 2014, 02:48 PM
    No. The water heater, with all faucets closed, amounts to a sealed tank.
    Milo Dolezal's Avatar
    Milo Dolezal Posts: 7,192, Reputation: 523
    Plumbing Expert
    		  
    #3

    Dec 10, 2014, 08:38 PM
    That small pilot doesn't give out enough heat to heat up 40gal of water.
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