Quote:
Originally Posted by JRD77VET
Gas flowing quickly can freeze. If you open the valve slowly, there is less chance of freezing.
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This to the best of my knowledge only occurred with the newer revised valves of a few years past. I installed heating systems and I also changed out literately hundreds of propane tanks of all sizes with the old fashioned valves and never had a problem. In the old days most construction sites used many salamanders ( large portable heaters) with their own individual bottles for temporary heat!