<>. Well, I did this after cooking
> some burgers and then all the grease on the bottom of the grill catches
> fire as well and the temperature goes up over 600 approaching 700.
> Black smoke is coming off of the fire. Flames are shooting a few
> inches out of the back of the grill...
>
> So, I turned off the burners and opened the lid. Eventually the fire
> went out.
>
> I guess my concern was that it would somehow get so hot that it would
> mess with the lines coming from the propane cylinder. I didn't feel
> excited about reaching under the grill to close the valve on the
> propane tank and it occurred to me that if the line from the tank
> somehow got melted in the hot grease fire it might turn into a propane
> torch...
>
> But, it didn't. I'm thinking I'll just not clean my grates that way in
> the future.
>

On our Weber the gas lines don't get hot but do watch out for the vinyl
siding----even with a 2ft space it does tend to melt! Don't ask me how I
know this!!

Buzz