Who installed the gas pipe of the gas water heater?

Installed by professional gas workers.

According to relevant laws, regulations and safety standards, the installation of gas pipes of gas water heaters should be carried out by professional gas workers. Gas workers are trained and qualified to ensure the correct installation and connection of gas pipelines. They understand the design and safety requirements of gas pipeline system and can take appropriate measures to ensure the safe use of gas. Installing gas pipelines by professional gas workers can not only ensure safety, but also avoid potential safety hazards and accidents. In order to ensure safe and legal use, it is suggested that professional gas workers install gas pipes of gas water heaters.