Heatilator GDST4336I Owner's Manual page 31

2. Break the exhaust restrictor into two pieces. Do this
by bending the part back and forth until it breaks (see
Figure 7.9).
BREAK
HERE
Figure 7.9 Exhaust Restrictor
3. Match the amount of vertical you have in the system
with the chart to fi nd the appropriate position to set the
exhaust restrictor (see Figure 7.10).
TOP VENT
Vertical
NG
4 ft. 1-1
Restrictor
8 ft. 2-2
15 ft. 3-3
20 ft. 3-4
25 ft. 3-4
30 ft. 4-4
35 ft. 4-4
40 ft. 5-4
45 ft. 5-4
50 ft. 5-5
55 ft. 5-5
Note: If the DVP-2SL adapter and SLP pipe is used, you
MUST subtract one number from the table above.
Example: Top vent 40 ft vertical with DVP pipe = 5-4
Top vent 40 ft vertical with SLP pipe = 4-3
Heatilator • GDST4336I, GDFL4136I, GDCR4136I, GDCL4136I, GDST4336, GDFL4136 • 2129-900 Rev. P • 8/14
REAR VENT
LP NG LP
No No No
Restrictor Restrictor
No
1-2 1-1
Restrictor
3-2 2-2 1-2
3-3 3-3 2-3
3-3 3-3 2-3
3-4 3-4 3-3
3-4 3-4 3-3
4-4 4-4 3-4
4-4 4-4 3-4
5-4 5-4 4-4
5-4 5-4 4-4
4. Center the exhaust restrictor in the open end of the
exhaust outlet and secure through the slots on the
exhaust restrictor with the 2-1/4 in. self tapping screws
provided in the appliance manual bag.
5. Reinstall the exhaust baffl e and refractory panel.
Figure 7.10
1 2 3 4 5
SETTINGS
1 2 3 4 5
31