QUOTE(gereed75 @ Apr 29 2020, 09:32 AM)
Not sure what the manual says but all of the Weber experts say 3.5 psi.
Running just over 3.0 psi but with Zenith carbs,some run less with no issues,if your float level are set correctly it means less,got one of those fuel bowl tools from Pelican...real handy.
Good luck.