Viessmann VITODENS 100-W Installation And Service Instructions Manual page 7

Gas fired wall mounted condensing boiler natural gas version type wb1a
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Preparing for installation
Overall Appliance Dimensions
Combi boiler
A Condensate drain: Plastic pipe
722 mm
B Heating flow: 722 mm
C DHW: 715 mm
D Gas connection: Rp ½
(cont.)
E Cold water: 715 mm
F Heating return: 722 mm
G Safety valve drain: 718 mm/
22 mm
Preparing for installation
7

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