H hoppymonkey Well-Known Member Joined Dec 16, 2009 Messages 1,021 Reaction score 12 Location north atlanta Jun 30, 2011 #1 Does it matter? Not leaking, reading correctly,etc.
C Changeduser123 Well-Known Member Joined Mar 8, 2011 Messages 249 Reaction score 1 Location Dana Point Jun 30, 2011 #2 No the glass is not necessary on a gauge (it is not air tight or anything).