Freezing Line

Discussion in 'Boats, Blinds, & Gadgets Forum' started by marshmob, Oct 20, 2017.

  1. marshmob

    marshmob Senior Refuge Member

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    The last couple seasons, when its around 40 degrees or under, we have been battling with the aluminum line freezing that goes from the cook stove to the small Coleman propane bottles. Anyone else having this issue?
     
  2. Tuleman

    Tuleman Elite Refuge Member

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    Frost on the outside of the propane fuel tubing will not hurt anything.
     
  3. marshmob

    marshmob Senior Refuge Member

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    I think when the propane turns to a gas it is freezing the line because we always loose output from the tank it the stove shuts off
     
  4. Tuleman

    Tuleman Elite Refuge Member

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    It is dropping the temperature of the line below the freezing point of water, that's why you see ice on the outside; water vapor in the air is condensing on it and freezing. There is no water inside the line to freeze.
     
  5. callinfowl

    callinfowl Kalifornia Forum

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    A bad regulator will cause the lines to freeze up inside, whats happening is at cold temps the LP isn't boiling off or bubbling to make propane gas as well as it does when it is warmer. Throw in a bad regulator and the problem is the LP is passing through the regulator as liquid propane and not propane gas which will cause freeze up inside the line on cold days.
    Regulators are cheap, buy one and I bet it cures your problem.:yes:tu
     
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  6. marshmob

    marshmob Senior Refuge Member

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    With that, I’m headed to the store looking for a regulator!!! Thanks callin
     
  7. Tuleman

    Tuleman Elite Refuge Member

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    What, exactly is "freezing up inside the line"? There's no water in there and liquid propane obviously will not freeze.
    The problem may well be a bad regulator, but the gas line "freezing up" sure isn't.
     
  8. callinfowl

    callinfowl Kalifornia Forum

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    There is moisture/ condensation and particulate matter in all large LP storage tanks, tankers and retail filling station tanks, guess where that moisture goes when you get the 1 lb, 2.5 lb to 5 lbers filled.
    Even if there is no moisture in the tanks ( which there is), freeze up is the term used in the field when LP doesn't boil off / convert to propane gas. Try turning your propane tank upside down and see how long it takes to freeze up.
    (DO NOT TRY THIS,) just take my word for it on this one it will freeze solid within minutes if not seconds.

    @marshmob if you haven't replaced the regulator yet take a wrench and give the regulator a few good hits/ taps as if knocking on a door while everything is wide open to make sure that it isn't particulate matter getting caught under the regulators diaphragm. We see a lot of this with older tanks. It's caused by the sulfur they add to the LP to give it the garlic smell , it causes rust and scale inside the tank and or LP gas line when there is condensation or particulate matter in them.
    If replacing the regulator doesn't help try a different LP tank, you might have got some wet LP from the vender.:yes:tu
    LP lines will freeze solid at times, when this happens we add about 1/2 to 1 oz of HEAT fuel treatment ( the one in the yellow plastic bottle) into the gas line between the fixture and regulator and let it sit for 15 or 20 minutes, the HEAT will remove any moisture in the actual fuel line. Once it's melted The HEAT just burns off like the propane gas.:yes:tu:tu:tu
    Insulating your fuel line and regulator with hockey stick tape or foam pipe wrap will help with condensation and freezing problems as well. https://www.ebay.com/i/162711566003?chn=ps&dispItem=1
    On the regulator there is a small hole in the housing that is a drain hole, make sure it is facing down so it drains well.
     
    Last edited: Nov 9, 2017

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