SPECTRA S2 PLUS Plus Low Suction On One Side
| CONF | DIAGNOSIS | PART MATCH | ACTION |
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91%
CONF
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Duckbill Valve
The duckbill valve is a one-way silicone flap that creates a vacuum seal during the pump's pull stroke. Over time, the silicone undergoes material fatigue and micro-tearing, preventing the 'lips' from closing completely. This failure allows air to leak back into the flange, significantly reducing the pressure differential on the affected side.
SKU: MM012371
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CHECK PRICE
#CommissionsEarned
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5%
CONF
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Backflow Protector Membrane
The backflow protector utilizes a silicone membrane to separate the pump's pneumatic system from the milk collection system. If this membrane is improperly seated, stretched, or develops a pinhole, the vacuum circuit is broken. Since each side has its own protector, a failure here results in localized suction loss on that specific port.
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CHECK PRICE
#CommissionsEarned
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4%
CONF
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Replacement Tubing
The tubing acts as the primary conduit for the vacuum; any loss of airtightness at the connection points (pump port or backflow protector inlet) will cause a pressure drop. Over time, the ends of the tubing can stretch and lose their friction-fit seal, or the polymer can develop stress cracks that introduce ambient air into the vacuum line.
SKU: MM012356
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CHECK PRICE
#CommissionsEarned
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DIY Repair Guide
Watch exactly how to replace the Duckbill Valve.