When it comes to selecting the best line for gas, it's crucial to prioritize safety, durability, and compliance with relevant codes and regulations. The most commonly recommended and used type of gas line is black iron or steel pipe.
Black iron or steel pipe is highly resistant to damage, corrosion, and leakage, making it a reliable choice for gas installations. It can handle high pressure and is suitable for both natural gas and propane applications. The pipe is threaded at the ends, allowing for easy connection with fittings and appliances.
Another option is flexible gas lines, often made of stainless steel or corrugated stainless steel tubing (CSST). These lines are flexible and easier to install compared to rigid pipes. They are particularly useful for navigating around obstacles and tight spaces. However, it's important to consult local building codes and regulations, as some areas have specific requirements for the use of flexible gas lines.
The best gas line for your specific needs will depend on factors such as the type of gas, pressure requirements, installation location, and local regulations. It is always advisable to consult with a professional plumber or gas line specialist to ensure proper selection and installation of the gas line.