return-flue boiler

[ ri-turn-floo ]

noun

1. a fire-tube boiler having flues that collect the combustion gases at the end of the boiler opposite the fire door and pass them through the boiler to an uptake above the fire door.

Word History and Origins

Origin of return-flue boiler¹

First recorded in 1885–90

Example Sentences

This engine had too small a boiler, and he soon after built a larger engine, with a return-flue boiler made of wrought-iron.

From Project Gutenberg