Reznor UDBP Option - Installation - Power Venting User Manual
Page 5

Form I-UD-V-PV, P/N 195675R12, Page 5
Residential Installation
Only Model UDAP Sizes 30, 45, 60, 75, 100, 125
FIGURE 1 - Horizontal Vent Terminal - Residential Installation
(
NOTE: Read all measurements; drawing is not proportional.)
Approved clearance thimble is required when the flue pipe extends through combustible
materials. Follow the requirements of the thimble and/or Category III vent pipe manufacturer.
Pitch flue pipe down toward
outlet 1/4 per foot for
condensate drainage.
(NOTE: Slope applies to
entire horizontal vent run.)
6 to 12
(152 to 305 mm)
Wall
Roof or Building Overhang
3 ft (1M)
minimum
6 ft (1.8M) minimum
Option CC1 Vent Cap -
Note positions of vent cap
openings (shaded areas).
Parapet or
Adjoining Building
Category III
Vent Terminal Pipe
Vent Pipe
approved
for a
Category
III heater
6 (152mm) minimum
Roof -
pitched
from
0 to 45°
Approved clearance thimble is
required when flue pipe extends
through combustible materials.
Comply with the requirements
of the Category III vent pipe
manufacturer.
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
Category III Vent
Terminal Pipe
Option CC1
Vent Cap
Category III Vent Pipe
FIGURE 2 -
Vertical Vent
Terminal -
Residential
Installation
(
NOTE: Read all
measurements;
drawing is not
proportional.)