Vent location, Vent configurations, Nsert – Avalon Firestyles DVS Insert-1996 to 2000 User Manual
Page 10: Nstallation, Cont

P
AGE
10
I
NSERT
I
NSTALLATION
(
CONT
.)
- For Qualified Installers Only!
Vent Location
2-1/2"
(64 mm)
15-3/4"
(400 mm)
2-1/2"
(64 mm)
13-1/2"
(343 mm)
Center Line
13-1/4"
(337 mm)
Inlet (3Ó (75 mm) Dia.)
Exhaust (3Ó (75 mm) Dia.)
Fireplace
Opening
Vent Configurations
Z.C. (Metal) firebox
Inlet & Exhaust Re-Line
Exhaust Only Re-Line
(recommended)
Direct Vent Cap
(part # 991)
Recommended Block-Off
Plate (non-combustible
metal and/or insulation).
Prevents odors from
chimney entering room.
3" (75 mm)
UL 1777
Gas Liner
Dura-Vent Termination Kit
(part # 923GK)
The block-off plate must
seal the intake to the
chimney space. This
way air is drawn down
the chimney for
combustion air.
Block-Off Plate
(non-combustible
materials)
NOTE: You may use either re-line configuration with a masonry or zero-clearance fireplace.
Inlet
Exhaust
Inlet
Exhaust
Masonry Fireplace
Suggestion:
Paint the fireplace cavity
with latex paint to eliminate
the possibility of odors from
the fireplace circulating into
the room.
Any cracks or
damage inside the
chimney must be
repaired.