
INSTALLATION B
(U.S. ONLY)
PLENUM COLLECTOR BOX
COLD AIR
RETURN
FILTER BOX
TO EXISTING
DUCT WORK
WARM AIR
EXISTING
FURNACE
SOLID FUEL
FURNACE
INSTALLATION C
(U.S. ONLY)
PLENUM ELBOW
COLD AIR
RETURN
PLENUM TOP
(OPTIONAL) ![]()
FILTER BOX
TO EXISTING
DUCT WORK
WARM AIR
EXISTING
FURNACE
SOLID FUEL
FURNACE
25