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10. VENT TERMINAL AND COMBUSTION
AIR INLET HOOD
The vent terminal is shipped in the burner compartment.
See Figure 7. Remove the two shipping screws and
separate the two-piece assembly. Install the vent
terminal by using the four screws provided. Make sure
gasket is in place. See Figure 8. The combustion air
intake hood is factory installed.
Vent terminal must be installed as shown in Figure 8 for proper operation of the heating system.
NOTE: The inner vent hood gasket is designed to stretch over and seal around the combustion
air blower outlet. This is a very critical seal to prevent water and flue products from entering the
unit. Care must be taken to ensure this gasket is in place and sealing properly.
I
Manual 2100-376
Page
18 of 80
CAUTION
FIGURE 8
VENT TERMINAL AND COMBUSTION AIR INTAKE
MIS-2057
11. OPTIONAL VERTICAL VENTING
With the optional vertical venting kit (VVK-5) this unit
may be vented vertically through a roof or overhang.
The kit includes a stainless steel transition drain tee,
silicone sealant, and drain tubing.
If unit is installed with vertical vent kit, annually
inspect the vent system and drain. Replace any portion
of the vent system that shows signs of deterioration.
Make sure drain is open and free of obstruction.
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