
8
CENTRAL INSTALLATION
ADD-ON INSTALLATION
SOLID FUEL
FURNACE
FILTER BOX
EXISTING
FURNACE
COLD AIR
RETURN
WARM AIR
TO EXISTING
DUCT WORK
INSTALLATION B
SOLID FUEL
FURNACE
FILTER BOX
COLD AIR
RETURN
EXISTING
FURNACE
PLENUM
COLLECTOR
BOX
WARM AIR
TO EXISTING
DUCT WORK