Originally Posted by caplad
This could cause a dangerous situation piped in like picture.
First off your hose will be carrying high pressure gas to the grill. One would have to leave appliance reg on the grill.
Better to tie in after the tank regulator and remove grill regulator.
Much lower pressure running through extension hose and less gas escape when disconnecting hose. IMHO being in the gas industry for 36 years.