At present, many countries are vigorously advocating energy saving and emission reduction, and the requirements for environmental protection standards are becoming more and more stringent. The advantages of gas boilers have gradually emerged. Gas boilers meet the environmental, safety, and automation requirements of people with clean and environmental protection, safe operation, and cost savings. Requirements, therefore, replacing traditional coal burning with clean energy natural gas is an inevitable choice for social development trends, gas boilers are the trend of modern development.