WILLOW WILLOW 3.0 Pump Suction Weak

Willow 3.0 Flextubes

The Flextube serves as the pneumatic bridge between the motor and the milk bag/container. It contains a critical one-way duckbill valve that frequently suffers from material fatigue or micro-tears, leading to vacuum leakage and a failure to reach the required negative pressure for expression. Replacing this component restores the airtight integrity of the pumping circuit.

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Willow 3.0 Reusable Container

The container features an integrated diaphragm and valve system that must create a hermetic seal against the pump hub. Mechanical wear on the container's locking mechanism or milk fat buildup within the non-serviceable internal valve can cause air bypass, significantly reducing the effective suction force delivered to the breast.

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Willow 3.0 Flanges

Flanges are subjected to high thermal stress during sterilization, which can lead to polymer warping. If the flange face is not perfectly planar, it prevents the pump from achieving a 'latch' seal, causing the system to pull ambient air rather than creating a vacuum within the nipple tunnel.

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