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Why do tanks sometimes freeze up when turned on all the way?

Propane converts from liquid to vapor form by absorbing heat from the surrounding surfaces of the tank. When unusually high vapor withdrawal demands are placed on the cylinder (such as when used on a very high BTU rated appliance), the rapid heat absorption may cause a frost line to form on the cylinder wall or ice to form on the inside of the service valve. This condition can usually be avoided by matching the cylinder size with the appliance BTU rating. For example, a typical 20lb grill cylinder may show the above signs of "freezing" if an attempt is made to use it to supply a "weed burner" torch which may have a BTU rating of over 150,000 BTUs per hour.


For further assistance, please call our Customer Care Center at 1.800.BLU.RINO.

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