First of all the most important point: if the gas pipeline inner fire, immediately closed all into the hole, radiation tube and sealing pipe, and in general to pipe of steam to extinguish fire.

Joints should be installed on the pipe thread wrapped with the appropriate raw material to ensure the reliability of sealing.

The Vanward water heater water Leakage deformation and deformation of rubber ring; the heating pipe deformation, resulting in poor sealing water Leakage.