29
Heatilator • GDST4336I, GDFL4136I, GDCR4136I, GDCL4136I • 2129-900 Rev. W • 12/15
V
1
= 60 ft. Max. (18.3 m)
V
1
= 3 ft. Min. (914 mm)
2. Top Vent - Vertical Termination
No Elbow
NOTE:
If installing a vertical vent/
termination off the top of the appli-
ance, the optional vertical termina-
tion baf
fl
e should be used.
V
1
Figure 7.7
Exhaust restrictors are recommended for these verti-
cally terminated products which have excessive draft.
Exhaust restrictors will compensate for high draft, and
restore visual
fl
ame height. If the vent con
fi
guration has
a total vertical of 15-60 feet, an exhaust restrictor may
be needed. The exhaust restrictor can be located in the
appliance manual bag.
Refractory Panel
To access the
exhaust opening,
remove the refractory
panel and exhaust baffle.
To remove refractory
panel, remove the two
screws on top. To remove
the exhaust baffle, remove
the three screws securing it.
Top Vent Application
Exhaust restrictor
Rear Vent Application
Note:
Be sure to re-
install the e x h a u s t
baffle and refractory
panel after exhaust
restrictor installation.
Exhaust restrictor
Note:
Be sure to re-
install the exhaust
b a f f l e a n d refractory
panel after exhaust
restrictor installation.
Figure 7.8
Exhaust restrictor Instructions
1. Remove refractory panel and exhaust baf
fl
e from pilot
side of appliance. To remove the refractory panel use
a 1/4 inch nut driver and remove the two screws that
secure it in place. To remove the exhaust baf
fl
e, remove
the three screws securing the refractory panel in place.
See Figure 7.8.
