23800-5-0909
Page 11
1. Provide an opening in the wall 14 1/2" (368 mm) wide and 66
1/4" (168.3 cm) high measured from top of floor plate (See
Figure 14 and Figure 19). Wall depth is to be 2" x 4" framing
with 1/4" (6.5 mm) to 5/8" (16 mm) sheeting.
Figure 14
2. Install ceiling spacers (not supplied with furnace) according
to manufacturer's instructions.
Figure 15
66 1/4”
(1683mm)
14 ½”
(368mm)
3. Attach baseplate (not supplied with furnace) to header plate
with sheet metal screws at each end.
Figure 16
4. Attach 4" (102 mm) oval, double wall vent pipe to
baseplate.
Figure 17
HEADER ASSEMBLY
BASE PLATE
GASKET
BASE PLATE
OVAL PIPE
ROUGH-IN INSTRUCTIONS