Problem with gas freezing in Coleman Hot water shower unit.

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Originally Posted by austastar

Hi,
I have seen similar problems with a gas bottle being used to heat floor covering vinyl when we were getting a floor repaired at work.
He was using heaps of gas, and the gas boiling off took all the heat out of the liquid and it froze around the neck of the bottle.
He just played the flame on the bottle, but that is not an option for you.
Can you use the heater at a lower setting and see if that starts to solve the problem?
cheers

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The unit very often won't ignite on the low settings. I have to turn it on full then back it off.Trouble is, once it has started on full heat, backing it off to low often doesn't make any difference, it stays hot unless I turn it off and start again on low setting. But many times it has frozen at that instant.
Wagoo.

Is it possible to install a reg to test it? This may limit the cooling by both reducing flow to a usable quantity and pressure and the speed at which it is expanding.

Get a G cylinder of air and crack the valve without a reg and see how quick it freezes vs if you do the same with a reg.

Quote:

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Originally Posted by clubagreenie

Is it possible to install a reg to test it? This may limit the cooling by both reducing flow to a usable quantity and pressure and the speed at which it is expanding.

Get a G cylinder of air and crack the valve without a reg and see how quick it freezes vs if you do the same with a reg.

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Get a G cylinder of air or gas?
I think I would need to modify the Coleman hose to fit a reg between it and the cyl,or find an adaptor, because at present the hose has a swaged on fitting that screws directly into the cyl.
Wagoo.

No that's just a demo of how it freezes without vs with a reg. You need a larger volume and pressure to get the full effect.

Try and test with a reg and see how it goes.