Locating Vent & Combustion Air Terminals; Side Wall Vent Terminal - Bradford White OmniTech BONH1250 Installation And Operation Instructions Manual

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2.C Locating Vent & Combustion Air
Terminals
2.C.1

Side Wall Vent Terminal

An appropriate quality side wall vent terminal must be
used.
The terminal provides a means of installing the vent
piping through the building wall and must be located in
accordance with ANSI Z223.1/NFPA 54 and applicable
local codes. In Canada, the installation must be in
accordance with CSA B149.1 or .2 and local applicable
codes. Consider the following when installing the
terminal:
1. Figure 2 shows the requirements for mechanical vent
terminal clearances for the U.S. and Canada.
2. Vent terminals for condensing appliances or
appliances with condensing vents are not permitted
to terminate above a public walkway, or over an area
where condensate or vapor could create a nuisance
or hazard.
3. Locate the vent terminal so that vent gases cannot be
drawn into air condition system inlets.
4. Locate the vent terminal so that vent gases cannot
enter the building through doors, windows, gravity
inlets or other openings. Whenever possible,
locations under windows or near doors should be
avoided.
5. Locate the vent terminal so that it cannot be blocked
by snow. The installer may determine that a vent
terminal must be higher than the minimum shown in
codes, depending upon local conditions.
6. Locate the terminal so the vent exhaust does not
settle on building surfaces or other nearby objects.
Vent products may damage such surfaces or objects.
7. If the boiler or water heater uses ducted combustion
air from an intake terminal located on the same wall,
locate the vent terminal at least 7 feet (213 cm)
horizontally from the combustion air terminal, and
locate the vent terminal at least 1 foot (0.3m) above
the combustion air terminal.