converting water heater from LP to NG

Discussion in 'Water Heater Forum, Tanks' started by K-dog, Jan 21, 2009.

  1. K-dog

    K-dog New Member

    Messages:
    5
    Location:
    Madison, WI
    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. nhmaster

    nhmaster Master Plumber

    Messages:
    3,189
    Location:
    S. Maine
    Well there's always the BOOM! aspect to consider
  3. K-dog

    K-dog New Member

    Messages:
    5
    Location:
    Madison, WI
    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. hj

    hj Moderator & Master Plumber Staff Member

    Messages:
    27,024
    Location:
    Cave Creek, Arizona
    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.
  5. fozzy12

    fozzy12 New Member

    Messages:
    27
    Location:
    North of Detroit, MI
    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. Gary Swart

    Gary Swart In the Trades

    Messages:
    7,382
    Location:
    Yakima WA
    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. Redwood

    Redwood Master Plumber

    Messages:
    7,450
    Location:
    Connecticut
    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. Cass

    Cass Plumber

    Messages:
    5,980
    Location:
    Ohio
    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: Jan 23, 2009
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