46
!
Please note
Excessive test pressure may
damage the boiler and the gas
valve.
Max. test pressure 150 mbar.
Where higher pressure is
required for tightness tests,
disconnect the boiler and the
gas valves from the gas sup-
ply pipe (undo the fitting).
3. Vent the gas line.
Installation sequence
Gas connection
(cont.)
5618 294 GB
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