Answers
Mar 28, 2017 - 02:00 AM
According to the manufacturer, the only time this will be used is if you want a room to not open while others are normal operation is turned fully (but not tight) counter clock wise to stop a room from moving, close (clockwise) the valves on the rooms not to be moved so to answer your question, this is not an adjustment, it is simply on or off.
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