VENTING (CONT)
Vent Size
Model BVD34FP series uses a 4"
Models BVD36FP and BVP42FP series use a 6"
Never downsize venting diameters.
Clearances
Vent clearances are per vent manufacturer's specifications
Vent Configuration
Offset Venting - With Elbows
Maximum horizontal distance is 50% of vertical vent height
Various venting configurations are shown in Figures 14 and 15 from which maximum vent runs can be determined.
5ft. Max. Horizontal at
11 ft. Min.
Vent supports per
WARNING - RISK OF FIRE!
Always maintain minimum clearances or greater around the vent system. Do not pack air spaces with insulation or other material.
Vertical Venting - No Elbows
Minimum clearances are per vent manufacturer’s specifications
Vent supports are per vent manufacturer’s
40 ft. Max.specifications
11 ft. Min.
11 ft. Min.
90 - degree or
45 - degree Elbows
Straight Section
Vertical | manufacturers vent |
| |
| specifications |
Horizontal vent to maintain a 1/4” rise per ft. Min.
2 ft. Minimum off top of unit before using elbows
Figure 15
Figure 14
Page 13 |