51Heatilator • GDST3831I • 2127-900 Rev. K • 7/12
I. Air Shutter Setting
This appliance has an adjustable air shutter (which con-
trols the primary air) factory set for the minimum vertical
vent run (see Figure 12.15). If your installation has more
than the minimum required vertical vent length, adjust-
ment of the air shutter may be necessary to obtain opti-
mal fl ame appearance. This should be adjusted by a
qualifi ed installer at the time of installation.
Figure 14.3 Fixed Glass Assembly
G. Fixed Glass Assembly
Removing Fixed Glass Assembly
WARNING! Risk of Asphyxiation! Handle fi xed glass
assembly with care. Inspect the gasket to ensure it is
undamaged and inspect the glass for cracks, chips or
scratches.
• DO NOT strike, slam or scratch glass.
• DO NOT operate fi replace with glass removed, cracked,
broken or scratched.
• Replace as a complete assembly.
Air Shutter Settings
H. Install Trim Kits and Surrounds
• Install optional trim kits and/or surrounds using the
instructions included with the accessory.
• Use non-combustible materials to cover the gap between
the sheet rock and the appliance (if desired).
Removing Fixed Glass Assembly
• Pull the two glass assembly latches out of the groove on
the glass frame (see Figure 14.3).
• Remove glass door from the bracket on the top of the
fi rebox.
Replacing Fixed Glass Assembly
• Replace the glass door on the appliance.
• Pull out and latch the two glass assembly latches into
the groove on the glass frame.
• Make sure both sides are replaced properly.
NG LP
Burner 1/8 in. 3/8 in.
GLASS
ASSEMBLY
LATCHES
(BOTH BOTTOM
AND TOP)