On Sep 28, 4:35*am, (Jerry Ohio Also) wrote:
I'm in the process of doing a tank switch. My tank is a 500 & they came
to paint it because it is rusty . Near one leg the rust has made the
tank thin. We decided to go to a 350 . The tank has to be down to 5
percent before they can move it By law In Ohio. Some one mentioned about
a float BS *You can only have a pressure gauge on propane !

Jr.

Propane is a liquid at a relatively low pressure. Liquids don't
compress. So the pressure doesn't change much as the contents are
used. It's hard to have an accurate pressure guage on propane.