Blog

Boiler safety devices are an important part of any boiler system, as they help to ensure the safety of the boiler and its users. Boiler safety devices are designed to detect and prevent a variety of potential problems, such as excessive pressure, overheating, and fuel leaks. In this article, we will look at the different types of boiler safety devices, their purpose, and how they work. The most common type of boiler safety device is the pressure relief valve. This device is designed to open when the pressure in the boiler reaches a certain level, allowing excess pressure to be released and preventing the boiler from exploding. Pressure relief valves are usually set to open at around 15 psi, but this can vary depending on the type of boiler. Another important boiler safety device is the low water cutoff. This device is designed to shut off the fuel supply to the boiler if the water level in the boiler falls below a certain level. This helps to prevent the boiler from running dry and damaging the heat exchanger. Low water cutoffs are usually set to shut off the fuel supply at around 10% of the boiler's capacity. The flame safeguard is another important boiler safety device. This device monitors the flame in the boiler and will shut off the fuel supply if the flame is extinguished. This helps to prevent explosions and fires from occurring. The last type of boiler safety device is the high limit control. This device is designed to shut off the fuel supply if the temperature in the boiler reaches a certain level. This helps to prevent the boiler from overheating and damaging the heat exchanger. High limit controls are usually set to shut off the fuel supply at around 250°F. These are just a few of the most common boiler safety devices. It is important to understand how each of these devices works and to ensure that they are installed and maintained properly. Regular maintenance and testing of these devices can help to ensure that the boiler remains safe and efficient.