Lopi Northfield GS Owner's Manual page 19

Installation
Rear Vent Configurations with Horizontal Termination and 1' Min. Rise
• Use 6-5/8" Diameter Vent
• Horizontal sections require a ¼" (6mm) rise every 12" (305mm) of travel.
• Maximum of one (1) 45° or 90° horizontal elbow may be used (see illustration).
• The termination must fall within the shaded area shown in the chart. Use the indicated restrictor
positions. NOTE: Restrictor positions are based upon lab tests. The ideal restrictor position may
vary slightly, especially when the termination is near a demarcation line.
• Diffuser set to open (stock) position).
• Do not install the intake damper plate or exhaust restrictor extender plates.
12 feet max (3.6m)
10 feet (3m)
5 feet (1.5m)
0 feet
© Travis Industries
Exhaust Restrictor Position #5
Intake Restrictor Position #6
Exhaust Restrictor Position #4
Intake Restrictor Position #5
Exhaust Restrictor Position #3
Intake Restrictor Position #3
Min. 1' (03m) Vertical Section Required
Horizontal Elbow
Horizontal elbows are elbows placed between
two horizontal sections of pipe. One 45° or 90°
horizontal elbow is allowed for this configuration.
(for qualified installers only)
4091120
19
12 feet max (3.6m)
10 feet (3m)
5 feet (1.5m)
0 feet
100-01239_000