Gas Module Boiler Automatic Control System Combustion Automatic Control System: After starting the boiler, the control system sends a signal to the small flame valve, and the small flame ignites automatically. If the small flame fails to ignite (e.g., due to lack of gas or low pressure), the system automatically shuts down and reignites after 5 minutes. If the small flame ignites successfully, the system activates, and the large flame valve system begins normal operation. If the small flame extinguishes under certain circumstances, the monitor automatically shuts off the large flame within 0.2 seconds, and the small flame valve system self-locks. Natural Gas Module Boiler Temperature Safety Control System: The boiler body is equipped with two systems: normal temperature control and high-limit safety control. Some models integrate both controls into a single temperature controller, while others have separate controls. Both systems can be set for high-limit safety control. If the boiler’s outlet water temperature exceeds the set normal temperature and reaches the high-limit safety temperature due to any reason, the system automatically shuts off both the small and large flame valves and self-locks. The primary reason for the long service life of the boiler is the use of cast iron furnace panels. Currently, most single large boilers use steel furnace panels. It is well-known that cast iron has significantly better resistance to acid, alkali, and oxygen corrosion compared to steel. National standards stipulate that the service life of steel furnace panels is 14 years, while cast iron furnace panels can last up to 50 years. Of course, the actual lifespan of a boiler also depends on factors such as reasonable operational management, correct operation, and proper daily maintenance. The boiler is equipped with a comprehensive, rigorous, and scientific operational management and control system. The company also provides technical training for operators to ensure safe and correct operation. Gas module boilers do not suffer from low annual thermal efficiency, load rate, or comprehensive annual energy utilization. This is because, considering the inherent characteristics of module boilers, they can operate in a multi-boiler linkage mode under the controller’s coordination. Based on pre-set parameters such as the heating temperature curve, indoor temperature, and the building’s thermal inertia, the system intelligently determines the number of boilers to start or stop by referencing the outdoor temperature, achieving a near-unattended operation mode. During the control process, the system ensures that each operating boiler maintains full load and high efficiency (above 91%). This effectively eliminates the widespread issues of low thermal efficiency, load rate, and comprehensive annual energy utilization commonly seen in domestic applications, delivering significant economic and social benefits.