Reznor UDBP Option - Installation - Power Venting - Manual (Page 9)

Form I-UD-V-PV, P/N 195675R12, Page 9
Commercial/Industrial Installation
Models UDAP and UDBP - ALL Sizes
Roof -
pitched
from
0 to 45°
Approved clearance thimble is
required when flue pipe extends
through combustible materials.
Follow the requirements of the thimble
and/or the vent pipe manufacturer.
*Follow the instructions in Addendum
Section A, page 10, to join a double-
wall vent terminal section to a single-
wall vent run and to the vent cap.
Vertical flue extension must
be 6” (152mm) higher than
anticipated snow depth but
no less than 2 ft (610mm) above
the roof.
Roof Flashing
6” (152mm) minimum
Parapet or
Adjoining Building
6 ft (1.8M)
minimum
*Double-Wall
Vent Pipe
Reznor (Option CC1)
or equivalent vent cap
Vent Pipe (Comply with Requirements
on 3.1 and 3.2 on page 6.)
FIGURE 4 - Vertical Vent Terminal - Commercial/Industrial
( NOTE: Read all measurements; drawing is not proportional.)