Mendota FV42 - Page 61

85-03-01109 FV42 Page 61
FV42 Master Venting Chart
Note: This chart is applicable to both natural gas and LP installations.
 9” minimum vertical pipe run required to be connected directly to this fireplace’s flue starter
collar.
 Maximum horizontal run allowed with the minimum 9” vertical run is 12”.
 Maximum vertical run allowed is 40’.
 Maximum vent system length allowed is 44’.
 32’ maximum horizontal run allowed with a minimum 4 to 12’ starter section. Three 90
°
elbows
may be installed anywhere within the 32’ horizontal run. If the starter vertical section is less
than 4’, use the chart and reduce 3’ for every 90
°
elbow installed after the first 90
°
elbow.
 For all vertical terminations, four 90
°
elbows allowed. However, the fourth 90
°
elbow must
point vertically and directly to the vent termination cap.
High Altitude Installation Information
Prior to installing at altitudes higher than 7500, please contact the Mendota technical service department for specific venting
requirements and venting restrictions.
V min
H max
9” 12”
12” 3’ 5”
2’
12’ 11”
3’
22’ 6”
4’ – 12’
32’
12’ – 40’
Varies
13'-9"
18'-3"
22'-10"
27'-5"
32'-0"
3'-5"
12'-11"
22'-6"
32'-0"
9"
1'-0"
2'-0"
3'-0"
4'-0"
12'-0"
16'-0"
20'-0"
24'-0"
28'-0"
32'-0"
36'-0"
40'-0"
1'-0"
8'-0"
4'-0"
8'-0"
12'-0"
16'-0"
20'-0"
24'-0"
28'-0"
4'-7"
9'-2"
Figure 4-17 MASTER VENT CHART