Re: gas grill conversions
Posted by Bud...Suncoast Plumbing on July 20, 1998 at 17:13:57:
In response to Re: gas grill conversions
Bob:--Changing the operation from LPG to NAT gas is a simple straight forward proposition. It's like riding a bicycle or swimming, once you get the hang of it there's nothing to it.
The original manufacturer may be able to supply a retro-fit kit for you.
LPG gas has 3500 Btus per cu. ft. of gas, and NAT has only 1010 Btus. So it's obvious that the orifice(s must be enlarged in order for the burner(s) to receive the proper quantity on fuel. This can be done by using the proper size drill to size the orifice(s). To do this you need to read the rating plate on the equipment, and devide by the number of the the proper drill from NFgc-54. You will also need to change the regulator for Natural Gas operation to approx.1/2 lb or 7" on a water column. You will have to factor the manifold pressure into your drill size selection. Great care must be exercised when modifing AGA approved equipment, it should always be done according to the specifications from the manufacturer for safety reasons and avoidence of litigation arising from injuries (or claims of injuries) by parties other than yourself.
Lots of luck, and be careful....Bud

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