Viessmann B1HF - Boiler Connections and Piping Installation

16
3.
2.
1.
37
37
4.
5.
4x
4x
Fig. 6
Note
The diagram shows installation on a pre-plumbing jig
for a gas condensing combi boiler.
The boiler can be installed on the following accesso-
ries:
■
Pre-plumbing jig
■
Mounting frame
■
Plumbing wall mounting frame
1. Replace gaskets.
Internal gasket diameter:
■
Gas connection Ø 18.5 mm
■
Connections on the heating water side
Ø 17.0 mm
Note
Gasket for gas connection is attached to the gas
shut-off valve.
Installation sequence
Mounting the boiler and making connections (cont.)
6167586
Installation