Opening The Vitodens And Removing The Burner - Viessmann Vitodens 100-W type WB1B Instruciones De Montaje

GB

Opening the Vitodens and removing the burner

Installation and service instruc-
tions
Replacing the gas valve
3x
2x
D
A
F
E
G
B
1. Undo two screws A and remove
gas valve B together with Venturi
nozzle C.
10
C
H
2. If the boiler is not operated with
gas type G 20 or G 25, remove the
gas restrictor from the old gas valve
and insert it into the new one: