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Vitodens 100-W, B1HE/B1KE Combi Installation/Service
Minimum Clearances
Note:The Vitodens 100-W boiler has passed the zero
inches vent clearance to combustibles testing
requirements dictated by the boiler Harmonized
Standard ANSI Z21.13. CSA 4.9 (latest edition)
and therefore is listed for zero clearance to
combustibles when vented with a single-wall
special venting system (AL-29-4C material) or
UL/ULC-listed CPVC gas vent material.
The zero inches vent clearance to combustibles for
the Vitodens 100-W boiler supercedes the clearance
to combustibles listing that appears on the special
venting system label.
Top clearance - 12 in. (30 cm).
See the Vitodens Venting System
Installation Instructions.
Clearance to combustibles
AL = Alcove
CL = Closet
Top Front Rear Left Right Vent
pipe*1
0 0 AL,
CL
00 0 0
*1
Refer to the Installation Instructions of the Vitodens
Venting System for details.
Recommended minimum boiler clearances to combustibles
Recommended minimum boiler service clearances
Fittings and Sealing Points
All connections on the boiler must be fitted with new
gaskets after opening or loosening.
WARNING
Risk of electric shock from escaping heating water or
DHW.
When commissioning and after carrying out
maintenance work, check all water side connections
for leaks.
Dimensions
System Examples
System examples with hydraulic and electrical connection
schemes and function descriptions are available to help
setting up the heating system, refer to the system layouts
starting on page 33.
Front
Side
Side
Back
Top
6”/150 mm
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