"Mikey S." wrote:

There are different orifices for natural gas and for propane, you
need to change them to get it working correctly. Check with
whomever made your grill if you converted it from propane to
natural gas and didn't change them at the time.

As far as I know the grill has always been run on natural gas, so I
presume the regulator and valve were designed for that. Where is the
orifice located -- in the valve/regulator somewhere?

When I've bought replacement burners and venturis I've always
specified that it was for natural gas, but the sellers have always
assured me it doesn't matter. I wonder if that's true, though.
Natural gas would need less air than propane (if my chemistry
teachers are to be believed) so maybe that's not the problem.

--
Ray Heindl
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