Asked: November 9, 20202020-11-09T20:51:06+00:00 2020-11-09T20:51:06+00:00 what size orifice for natural gas grill? cameron 142 Questions 1 Answer 1 Best Answer 0 Points View Profile cameron Hi. what size orifice for natural gas grill? natural gas 1 Answer Voted Oldest Recent alice 0 Questions 136 Answers 136 Best Answers 136 Points View Profile Best Answer alice 2020-11-09T20:51:27+00:00Added an answer on November 9, 2020 at 8:51 pm The valve opening fitting fits the finish of the valve, which has a little opening penetrated its middle. Most opening fittings will have their size stepped either on the top or side of the fitting. The hole size is the real opening breadth in the hole fitting. Bores, albeit most generally sold by inch increase size, are likewise accessible by number. (Hole opening size will be more prominent for petroleum gas gracefully models than Propane due to the lower flammable gas working weight). When all is said in done, Natural Gas Grill holes that are 36″-42″ cast or metal burner utilizes #42 or 2.35mm opening while Back burners standard between #48mm = 1.93mm opening and #53 = 1.5mm opening. 0 Reply Share Share Share on Facebook Share on Twitter Share on LinkedIn Share on WhatsApp Leave an answerLeave an answerCancel reply Attachment Select file Browse Featured image Select file Browse Save my name, email, and website in this browser for the next time I comment.