Installation Options - Buderus Logano GB125/22 BE Installation And Service Instructions Manual

5
Boiler installation
5.3

Installation options

The GB125 boiler is approved with the following venting
systems available from Buderus:
HT-K Concentric combustion air
and vent pipe exiting horizon-
tally through external wall.
DO Concentric air supply and
flue pipe system exiting verti-
cally through roof.
GA-K Flue system comprising
back-vented flue pipe in
chimney.
Tab. 11 Installation options
Installation type III may not be suitable for
homes with a double flue chimney where the
second flue is used with a second combus-
tion appliance.
22 Logano GB125 BE US/CA - Technical specifications are subject to change without prior notice.
Types of installation Description
Horizontal direct vent concentric com-
bustion air and venting pipe system
Vertical concentric combustion air
and venting pipe system
Flue pipe inside an existing masonry
chimney similar to a liner. Chimney
chase used as a raceway to bring in
combustion air. Concentric piping of
flue and combustion air from chimney
to the boiler.