by Rainier70 » Mon Sep 09, 2013 10:38 am
The caps are mostly just a little insurance to lessen the likely hood of a cylinder off gassing in a vehicle or camper. The problem is that the little canisters are more likely to be stored or transported inside, whereas the 20lb cylinder is usually mounted outside. Mine are in a box on the tongue, and so far I haven't had any leak.
To get a little off topic, but I think it is always timely to give a safety reminder.
I have seen people get fairly careless with the little buggers, but I know of one or two instances where there have been accidents that could have been fatal.
Make sure that you connect and disconnect the cylinder in an UPRIGHT position and preferably outside. If they are not upright and the valve sticks, they can spray liquid propane all over you very quickly. If that happens, PRAY that there is nothing close that will ignite it. Liquid propane in an ice tent or camper can cause a pretty big explosion!