Viessmann Vitodens 242-F Operations Instructions Page 94

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94
Draining the boiler on the heating water side
1. Close the shut-off valves on the heat-
ing water side.
2.
Route hose at drain valve A into a
suitable container or drain outlet.
3.
Open drain valve A and drain the
boiler as much as required.
Troubleshooting
Repairs
(cont.)
5418 193 GB
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