In regards to 2000 film Boiler Room
a boiler is like a huge water heater. they were used on steam engines (which is why Purdue University's teams are called the boilermakers and their mascot is a train) Boilers were also used on steamships...if youve seen Titanic, the room where all the workers drowned was a boiler room, used to power the ship it might be something else in the movie though...ive never heard of the movie boiler room
