Operating instructions
75D0004 17
MLDV Series Gas Fireplace
HOT
FP1956
vinyl siding
Cut Vinyl Siding Away
to Fit Standoff
Standoff #150 or
5DT-VS
(Not required for
Vermont Castings
Group termination)
Termination
Bolt
Wood Screw
Nut
Apply Mastic
to all Four
Sides
Figure 18 -
Install Duravent/Selkirk Vinyl Siding Standoff and
Termination
FP1956
FP1957
vent cap w hor pipe
Inerior Wall
Surface
Firestop
Horizontal
Vent Pipe
Screw
Vent Cap
(Horizontal
Termination)
Figure 19 -
Install Firestop on Horizontal Vent Pipe
FP1957
HOT
FP1955
horizontal vent cap
Vent Cap
Wood Screw
Apply Mastic to all
Four Sides
Figure 17 -
Install Horizontal Termination
No other
manufacturer's termination is permitted in
this application.
6. Slide the stop over the vent pipe before connecting the
horizontal run to the vent cap. Figure 19
7. Carefully move the fireplace with vent assembly
attached toward the wall and insert the vent pipe into
the horizontal termination. The pipe overlap should
be a minimum of 1
1
/4". Apply silicone to the outer pipe
connection. Fasten all vent connections with screws
provided.
8. Slide the wall thimble against the interior wall surface
and attach with screws. Figure 19
The Vent Graph, showing the relationship between vertical
and horizontal side wall venting, will help to determine the
various dimensions allowable. Figure 13
Minimum clearance between vent pipes and combustible
materials is 3" on top and 1" from bottom and sides unless
otherwise noted (Exception: Outside wall with restop: 1"
all around pipes are allowed). If the vertical run is 7
1
/ feet
or more, off the top of the replace, the clearance is 1" on
all sides of the horizontal run.
When vent termination exits through foundations less than
0" below siding outcrop, the vent pipe must be ush with
the siding.
It is best to locate the replace in such a way that minimizes
the number of offsets and horizontal vent length.