From: Jeff The Drunk on
On Tue, 10 Aug 2010 20:00:19 -0400, Sum Guy wrote:

> The one thing I hate about my 1-year-old Weber grill is that you have to
> open the main propane valve very carefully or the regulator will kick
> into some sort of safety or limiter mode and the grill temperature will
> never get higher than 325f.

I suspect a faulty regulator.