Is A Propane Orifice Smaller Than Natural Gas?
Is A Propane Orifice Smaller Than Natural Gas? Natural gas orifices are larger than propane, to allow extra fuel to flow through at lower pressure. Propane orifices are smaller, to account for the higher pressure and increased energy output. What size hole is a propane orifice? A propane stove orifice size is about 0.082 inches