Preparing For Installation; Preparing The Boiler Installation - Viessmann Vitodens 300 Installation Instructions Manual

Preparing for installation

Preparing the boiler installation

A Heating flow G 1½"
B Safety valve
C Cylinder flow G 1½"
D Gas connection
E Cylinder return G 1½"
F Heating return G 1½"
G Expansion vessel G 1"
H Cable entry
K Recommended dimension
L Condensate drain
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