Boiler

The area where fuel is burned to generate heat.

Transfers thermal energy from hot gases to the water. boiler

Accommodates the increased volume of water as it heats up. The area where fuel is burned to generate heat

Powers turbines for electricity or provides heat for buildings. or coal) into water or steam.

Moves the heated water through the system's pipes and radiators.

Converts combustion heat (from gas, oil, or coal) into water or steam.