Domus DTA-45 Manual De Uso Y Mantenimiento página 73

4- Unscrew the screw in the hole (B) of the valve one turn anti-clockwise.
HOLE (B)
5- Connect the pressure gauge. (Scale from 0 to 100 mbar)
PRESSURE
GAUGE TUBE
6- Remove the cover (C) from the electro valve.
COVER
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