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Thread: converting water heater from LP to NG

  1. #1
    DIY Junior Member
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    Default converting water heater from LP to NG

    I have an American water heater that is 2 years old and is a power vented model. I need to convert it from LP to NG. I called American and a kit is available. It would be the burner assembly and gas valve. Has anybody ever done this before? Any pro's/ con's. Thanks for the advice.

  2. #2
    Master Plumber nhmaster's Avatar
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    Well there's always the BOOM! aspect to consider

  3. #3
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    I called American and a conversion kit is available for this unit at the cost of $192.00 dollars. I simply want to know if anybody has installed a conversion on a water heater. I have done a few furnaces but never a water heater.

  4. #4
    Moderator & Master Plumber hj's Avatar
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    Default conversion

    The thermstat is must also be replaced. LP has a left hand manifold thread and 11" regulation. That price might include the thermostat however.

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    DIY Junior Member fozzy12's Avatar
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    Default LP to NG conversion

    Yes, I had my hot water heater converted from Propane to NG when they ran a line past my house. I had to have a licensed plumber order the kit from the hot water heater manufacturer and he installed it. They wouldn't sell it to anyone else. Wouldn't even really talk about it on the phone. Since my water heater was a direct vent, the replacement would have had to be also. The price of a new direct vent made me get the conversion done. Works fine.

    Eric

  6. #6
    In the Trades Gary Swart's Avatar
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    Even if you can somehow get the kit directly, have a licensed plumber do the installation. A small screw up with a water line or drain results in a repairable leak. A small screw up with gas results in funerals.

  7. #7
    Master Plumber Redwood's Avatar
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    Quote Originally Posted by Gary Swart View Post
    Even if you can somehow get the kit directly, have a licensed plumber do the installation. A small screw up with a water line or drain results in a repairable leak. A small screw up with gas results in funerals.
    Usually a toss up between owning a lot with a pile of smoldering toothpicks on it or, a family not waking up in the morning...

  8. #8
    Plumber Cass's Avatar
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    What you are talking about is a Whirlpool ( commonly known as a cesspool) in its natural habitat (American and Whirlpool are basicly the same animal with different names)

    Personally I wouldn't waste my $$$ on it and would purchase a NG Rheem/Rudd or Brad White.

    Converting that junk is just begging for trouble...and that doesn't include the boom factor...
    Last edited by Cass; 01-23-2009 at 05:12 AM.

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