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12” MINIMUM CLEARANCE ABOVE HIGHEST
ANTICIPATED SNOW LEVEL
12” MINIMUM CLEARANCE
ABOVE HIGHEST ANTICIPATED
SNOW LEVEL
24” MINIMUM SEPARATION. EXHAUST
MUST BE AT SAME LEVEL OR ABOVE
INTAKE TERMINAL.
DIRECT VENT DIAGRAM
FIGURE 28.
FIGURE 30. FIGURE 31.
FIGURE 32.
FIGURE 29.
When direct venting through the wall, as shown in Figure 32, the
exhaust should terminate a minimum of 24” from the intake vent
terminal. The exhaust may be rotated up to 45 degrees left or right as
long as the 24” distance is maintained.
The wire screen can be removed for space heating at cold climate
installation to prevent potential air intake freeze up. If wire screen is
removed during winter to prevent freezing it is recommended to re-
install the screen during non-space heating seasons.
If necessary to achieve the 12” minimum clearance above the highest
anticipated snow level or grade for the intake vent terminal install a
snorkel, similar to the exhaust, in the up position. Maintain the 24”
distance between the intake and exhaust terminations.
Optional cold climate sidewall direct vent kits are available: 318221-
000 for 2” vent systems and 318222-000 for 3” vent systems.