What is contained within the combustion chamber of a pellet system?

The combustion chamber of a pellet system contains firebricks that play a crucial role in maintaining high temperatures during the burning process. These firebricks are designed to absorb and retain heat, which enhances the efficiency of combustion. By keeping the temperature elevated, firebricks help ensure that the pellets burn completely, which maximizes heat output and minimizes unburned residues or emissions. Their heat-retaining property is vital for achieving optimal performance in a pellet burning system, contributing to a more effective and environmentally friendly heating solution.

In contrast, mechanical switches, exhaust vents, and control boards are components associated with the overall functionality and operation of the system rather than the combustion chamber specifically. While these elements are important for safety and efficiency, they do not serve the primary function of maintaining the necessary temperatures for optimal combustion, which is the key role of firebricks in the combustion chamber.