Ascaso I..693 Reinforced S2 Valve
This part (I..693) is for most Ascaso espresso machines. This includes the Arc, Basic, Dream, and Steel models. It connects to the vibration pump (I..675). This is also known as the air release valve for ULKA pumps. It is normal for some leakage to come out of the T portion that usually returns to the reservoir or the drip tray.
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