Roberts Gorden NDUSTRIA NHE Series Installation, Operation & Service Manual page 49

SECTION 8: V
ENTING
FIGURE 30: Combustion Air Weather Vent (P/N 03700009)
To be installed in place of flue collar for installations without fresh air vent pipe.
Step A Step B
Set Screws
Screws
Flue Collar
Access Door
Lock Nuts
Apply Silicone Sealant
Step C Step D
Under Flange
Combustion Air
Weather Vent
Step A: Remove blower side access door from
burner by unscrewing the 7 screws as shown.
Carefully remove door to gain access to combustion
blower.
Step B: Unscrew 3 lock nuts along with 6 set screws
from rear of unit as shown. Pull combustion blower
from burner and remove flue collar. While keeping
blower gasket and bird screen in place, replace
combustion blower and tighten locknuts previously
removed in step A.
Step C: Apply silicone sealant around Combustion
Air Weather Vent flange. Carefully align 6 pre-drilled
holes on weather vent flange to 6 holes on burner.
Tighten 6 set screws previously removed in step 2 to
secure weather vent to burner.
Step D: Reinstall access door and tighten screws.
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