De Dietrich DTG 220 Eco.NOx/II Bedienungsanleitung Seite 17

5 Setting the gas pressure switch
Only on boilers fitted with the safety valve kit + gas pressure switch
(package GC191)
6 Attaching the label
Affix the label which indicates for which type of gas the boiler is fitted
and set.
31/07/07 - 94858457 - 8502-4459B
Remove the protection cap.
Set the pressure:
Natural gas: 12.5 mbar
Replace the protection cap.
Adaptation à un autre gaz - Gaz naturel
17