Can S1 be used with Natural Gas? 17 October 2023 09:21 S1 is certified for use with Propane only and cannot be used with Natural gas. Related articles Can I use propane, butane or natural gas? Can I use S1 with wood? Can I convert my Wood Dome Oven to Gas? Can I convert my LPG Dome to Natural Gas? How should I care for and maintain my S1?