HAYWARD MAX-FLO Surging
| CONF | DIAGNOSIS | PART MATCH | ACTION |
|---|---|---|---|
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96%
CONF
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Pump Lid O-Ring
The O-ring acts as the primary vacuum seal for the strainer housing; as the elastomer undergoes compression set or chemical hardening, it fails to maintain a hermetic seal under negative pressure. Atmospheric air is sucked into the pump volute, displacing the water column and causing the impeller to lose prime cyclically. Replacing this component restores the airtight integrity required for stable hydraulic flow.
SKU: SPX2700Z2
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CHECK PRICE
#CommissionsEarned
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2%
CONF
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Strainer Cover (Lid)
The transparent polycarbonate lid is susceptible to 'crazing' or structural hairline fractures caused by UV exposure and cyclical pressure stresses. Under the high vacuum generated during pump operation, these fractures expand and allow air to bypass the seal. A new lid ensures structural rigidity and eliminates air ingress points that cause surging.
SKU: SPX2700D
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CHECK PRICE
#CommissionsEarned
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2%
CONF
|
Suction Side Union O-Ring
The intake plumbing connection is subject to thermal expansion and motor-induced vibrations which can loosen the threaded union or degrade the internal gasket. Because this connection is under constant vacuum when the pump is running, any gap will introduce a stream of air into the water flow. This results in the pump fluctuating between moving water and air, manifesting as an audible surge.
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CHECK PRICE
#CommissionsEarned
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DIY Repair Guide
Watch exactly how to replace the Pump Lid O-Ring.