18
VENTING INSTALLATION
VENTING
THE INSTRUCTIONS IN THIS SECTION ON VENTING MUST
BE FOLLOWED TO AVOID CHOKED COMBUSTION OR
RECIRCULATION OF FLUE GASES. SUCH CONDITIONS CAUSE
SOOTING OR RISKS OF FIRE AND ASPHYXIATION.
This heater is not approved for direct vent installation.
Heater must be protected from freezing downdrafts.
Remove all soot or other obstructions from the chimney that will
retard a free draft.
Type B venting is required with these heaters. For typical venting
application see TECHNICAL DATA VENTING on pages 19 and 20.
This water heater must be vented in compliance with all local codes,
the current revision of the National Fuel Gas Code (ANSI-Z223.1)
and with the Category I Venting Tables.
If any part of the vent system is exposed to ambient temperatures
below 40°F (4.4°C) it must be insulated to prevent condensation.
•
Do not connect the heater to a common vent or chimney with
solid fuel burning equipment. This practice is prohibited by
many local building codes as is the practice of venting gas
fired equipment to the duct work of ventilation systems.
FIGURE 11.
FIGURE 12.
•
Where a separate vent connection is not available and the
vent pipe from the heater must be connected to a common
vent with an oil burning furnace, the vent pipe should enter the
smaller common vent or chimney at a point above the large
vent pipe.
MULTIPLE HEATER MANIFOLD
Figure 13 and tables on pages 19 and 20 should be used for
horizontally manifolding two or more heaters.
FIGURE 13.
Summary of Contents for (A)BCL3100T2506NOX
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