What is the first step when testing for gas leaks?

The first step in testing for gas leaks is to use an electronic combustible gas sensor. This is primarily because these sensors are specifically designed to detect the presence of combustible gases in the air, allowing for a more accurate and immediate assessment of potential leaks. Utilizing this technology helps to ensure safety by quickly identifying gas concentrations that may not be apparent through visual inspection alone.

While visual inspection of gas fittings is a valuable part of the overall process, it typically serves as a secondary measure to confirm any suspected leaks detected by the sensor. Turning off all gas appliances is important for safety but does not directly help in identifying leaks. Similarly, while replacing old gas lines is crucial for long-term safety, it is not an immediate step for leak testing. Therefore, using an electronic combustible gas sensor is the most effective first step in ensuring a safe environment when testing for gas leaks.