Master shut-off, using a ball valve with a quick-connect for the propane to hook-up to.      Master shut-off, using a ball valve with a quick-connect for the propane to hook-up to.    Master shut-off, using a ball valve with a quick-connect for the propane to hook-up to.
Master shut-off, using a ball valve with a quick-connect for the propane to hook-up to.

Master shut-off, using a ball valve with a quick-connect for the propane to hook-up to.

Master shut-off, using a ball valve with a quick-connect for the propane to hook-up to.      Master shut-off, using a ball valve with a quick-connect for the propane to hook-up to.    Master shut-off, using a ball valve with a quick-connect for the propane to hook-up to.