Answer: firebox

AnswerCrossword Clue
FIREBOXFurnace chamber
FIREBOXLocomotive furnace
FIREBOXSource of some alarms
FIREBOXBoiler chamber
fireboxthe box or chamber containing the fire of a steam boiler, furnace, etc.
fireboxbox or panel with a device for notifying the fire station of an outbreak of fire
fireboxa chamber in which fuel is burned
fireboxthe furnace of a locomotive, where coal, oil, or other fuel is burned to generate steam