Answer Brian, for the model provided the orifices, regulator, and air shutters would need to be adjusted with the gas supply valve shut off. Generally, rotating the orifices 1 1/2 to 2 full rotations from the seated position will set them for natural gas. The air shutters would need to be set to where they are 3/4 of the way from being fully open. The regulator cap would need to be removed and the pressure pin rotated upside down. Read More... Answered by AppliancePartsPros.com | Tuesday, March 10, 2020