78
11.12.3 - Multiventing
sidewall terminations
When two or more direct vent
appliances are vented near each
other, each appliance must be
individually vented and vent
terminations may be installed as
shown in Figure 11-21. It is important
that vent terminations be made as
shown to avoid recirculation of
fl
ue
gas.
WARNING!!!
Do not
connect any other appliance
to the vent pipe or multiple
heaters to a common vent
pipe. Failure to comply could
result in severe personal injury,
death, or substantial property
damage.
Figure 11-21 Concentric sidewall multiple heaters terminations
11 - INSTALLATION - Vent and combustion air
Vent
Combustion air
intake
NOTICE!
keep the terminals horizontally in the same
line and at min. 12” from grade or snow line.
Summary of Contents for Boiler
Page 3: ...3 SAFETY INSTRUCTIONS ...
Page 5: ...5 SAFETY INSTRUCTIONS ...
Page 122: ...122 15 MAINTENANCE ...
Page 126: ...126 17 SPARE PARTS Spare parts ...
Page 129: ...129 17 SPARE PARTS 50 48 50 49 53 56 57 55 54 58 47 52 48 52 51 55 52 020010 03 006 199 ...
Page 152: ...20 SEQUENCE OF OPERATION for BOILER ...