Definition
A 'firebox' is the part of a boiler or furnace where fuel is burned to generate heat. It's an enclosed chamber designed to contain and control the combustion process. Unlike an open fire, the firebox optimizes heat transfer and efficiency. Think of it as the heart of a heating system. It can be found in steam engines, furnaces, and some types of stoves. The firebox is designed to withstand high temperatures and ensure complete combustion.