Bradford White UCG100H199 Installation & Operation Manual page 18

Vertical Installation
Vertical venting system must be supported every 5 ft (1.5 m) of vertical run and every 3 ft (.92 m) of horizontal
run of vent pipe length.
CAUTION
Failure to properly support the vent
piping with hangers and clamps may
result in damage to the water heater or
venting system.
WARNING
DO NOT USE 2" VENT
WITH UCG(80,100)H399
MODELS
Through the Wall Venting with Low Ground Clearance
When venting cannot exit through the wall at a height greater than or equal to 12 in (30.5 cm) (above expected
snowfall level) from the ground, then the installation must be modified as shown below (see Figure 6).
WARNING
DO NOT USE 2" VENT
WITH UCG(80,100)H399
MODELS
Figure 6 – Vent Terminal
(Low Ground Clearance
Figure 5 – Typical Vertical
Intake Vent System Installation
)
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