The Modine DFG is an indoor duct furnace. It can be gravity vented (DFG), power vented (DFP) or separated combustion (DFS). This unit can provide up to 400 MBH fits well with any standard HVAC system.
Documents:
Manual
Manual Stage 2
Catalog
Brochure
Product Catalog
Technical Drawings
DFG-DFP-DFS