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Vista 42 ST See-thru Gas Fireplace
rev.110404
Installation
Installation Of Top Vent
A complete
Vista 42 ST
vent system may comprise up to five different types of
components:
A - Termination
PTO-4 (3" length)
PTO-4F (3" length)
B - Stucco Kits
MSR (stucco frame)
MOSR (stucco can)
C - Flex sections
PFL-1 (12" section)
PFL-2 (24" section)
PFL-3 (36" section)
PFL-4 (48" section)
D - Solid sections
PEXT-1 (12" section)
PEXT-2 (24" section)
PEXT-3 (36" section)
PEXT-4 (48" section)
E - Elbows
PEL-90MM (m/m 90° elbow)
PEL-90FF (f/f 90° elbow)
PEL-90FM (f/m 90° elbow)
Figure 12. Rear Vent
Venting Graph.
Height to center
of vent pipe.
Hearth
Vent Rise (Inches)
Vent Run (Inches)
Figure 13.
Short Horizontal Installation.
Example:
A 10' section and an elbow used in conjunction with 3 foot flex section (PFL-3) will,
when extended in a five foot chase, allow for a maximum horizontal run of twelve
and one-half feet from the center of the fireplace to outside wall and a minimum
of 7'6" when retracted in opposite direction.
(See Figure 14a and 14b.)
"D" flex sections and "E" solid sections may be used in conjunction with one an-
other to obtain different possible horizontal length installations.
NOTE:
Flex section
must not exceed maximum horizontal length of 3 feet.
(See Figure 15.)
50”
RHS 101
Insulated
Sleeve
CRS101
Vent MAY terminate
in this area.
Vent may NOT terminate
in the shaded area.
38"
12" maximum
horizontal run
