Inventors:
Mark Beste - Grapevine TX, US
David Wynnick - Frisco TX, US
Assignee:
Lennox Manufacturing Inc. - Richardson TX
International Classification:
F28F 1/00
Abstract:
A heat exchanger apparatus comprising a frame, a tube coupled to the frame, and turbulating structure disposed within the tube and extending into an inner hollow space thereof for promoting turbulent fluid flow within the tube. The turbulating structure comprises elements located arcuately around an inner periphery of the tube at approximately 120° increments. A method of manufacturing and a heating system is also provided.