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Vent Accessories
The vent valve allow to avoid undesired venting of the pump during
temporary power failure and enables an automatic vent operation.
TV 301SF Navigator Controller Compatible Vent
Valve mod. 969-9834
Figure 35
This vent valve waits before opening a minimum time of about 5 sec.
This time can be increased up to about 220 min. by means of a setting
of the Navigator software (optional).
To install the vent valve, unscrew the threaded plug (see figure
below).
TV 301SF Navigator User Manual /
87-900-957-01 (H)
Technical Information
Vent Accessories
279/300
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