Wood Furnace Schematic - Forced Air Furnace [post_title] $1184 Description: SCHEMATIC DIAGRAM (MODEL H2, H3, H4, & H5) vi Safety Labels Outdoor Furnace Manufacturers Caucus Green wood or wet wood is OUTDOOR HOT WATER WOOD FURNACE - wood-boilers PDF file- Located on left hand side of furnace. 3) MAX. WOOD FILL TO TOP OF DOOR. - Located on top left hand corner of front door. 4) THIS LID IS HEAVY. USE BOTH HANDS.