Notice – Dunkirk DWB Series User Manual
Page 21
21
6 - COMBUSTION AIR AND VENT PIPING
Figure 14 - Chimney Venting with Room Air
Single Wall
(
= Combustion Air /
= Venting)
(
= Combustion Air /
= Venting)
Figure 15 - Chimney Venting with Outside Air
Single Wall
NOTICE
Refer to section 6.1, numbers 3 through 12,
page 15 of this manual for proper installation.
DIRECT VENT BOILER - Boiler constructed and installed
so all combustion air is derived directly from outdoors and
all vent gases are discharged to outdoors. See Figure 15.