Boilers with fuel hopper

Solid fuel boiler with bunker

— it is a solid fuel boiler (see the relevant paragraph) equipped with a hopper — an automatic solid fuel supply system. The convenience of such equipment is obvious: the boiler does not need to be loaded manually, and the automatic hopper allows you to accurately dose fuel, adjust the output power and provide a number of other additional features. The disadvantages of such models are high cost, dependence on electricity and specific fuel requirements — hoppers are not compatible with conventional firewood or coarse coal. They must be loaded with pellets or fine coal.