Specifications

Northfire 3400 31
TOP/REAR VENT CONVERSION
The appliance is easily converted from top vent
to rear vent.
The steps for converting are as
follows:
1. Remove the vent outer shell cover (#1).
2. Remove the outer collar assembly (#2).
3. Remove the exhaust collar assembly (#3).
4. Rotate the exhaust collar assembly and the
outer collar assembly to the rear vent configu-
ration and reinstall.
5. Install vent outer shell cover.
#2
#2
#3
#1
#3 #1