LU-VS390 Strainer Lid O-Ring
Replacement sealing O-ring for the strainer lid on the AquaPump Variable Speed 3.9 HP.
Strainer Lid O-Ring
Replacement O-ring designed to seal the strainer lid on the compatible LU-VS390 AquaPump assembly.
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Contact our team to confirm current availability for your AquaPump LU-VS390.
Sealing Component
Helps maintain the seal between the strainer lid and pump housing.
LU-VS390 Specific
Replacement component intended for the compatible LU-VS390 pump assembly.
Service Replacement
Designed for routine pump maintenance and seal replacement.
Maintains the Seal Around the Strainer Lid
The O-ring sits at the strainer lid sealing surface and helps maintain a secure seal when the lid is installed correctly.
The AquaPump maintenance instructions call for the strainer lid, O-ring and sealing surface to be kept clean before reassembly.
O-Ring Care
Keep the O-ring and sealing surface clean. When servicing the LU-VS390 strainer lid, use a non-petroleum-based lubricant as directed in the current AquaPump manual.
Do not use petroleum jelly, Vaseline, automotive grease, oil, WD-40, or any petroleum-based lubricant on this O-ring.
Designed for AquaPump LU-VS390
This replacement part is presented specifically as an LU-VS390 component. Compatibility is only broadened when an approved Illuminex replacement-parts record explicitly confirms another model uses the exact LU-VS390-SWP-9 part.
Replacement O-rings may differ in diameter, profile and fit between pump models. Confirm the model number before ordering.
Where It Fits
Conceptual location of the O-ring at the strainer lid sealing surface.
Conceptual product-location visual — refer to the current AquaPump LU-VS390 manual and parts diagram for exact installation details.
Inspect During Routine Pump Maintenance
Check for Wear
Inspect the O-ring for visible wear or damage during strainer service.
Keep the Seal Clean
Clean the O-ring and sealing surfaces before reassembly.
Replace When Necessary
Use the correct replacement O-ring if the existing seal is worn or damaged.
Turn off the pump and disconnect power at the circuit breaker before servicing. Relieve pressure from the filtration system before removing the strainer lid.
Confirm the Correct Replacement
Check the Pump Model
Confirm that the pump model is LU-VS390.
Identify the Strainer Lid Seal
Confirm that the replacement needed is the O-ring located at the strainer lid sealing surface.
Match the Part Number
Confirm replacement part LU-VS390-SWP-9 before ordering.
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Tell us about your AquaPump and we'll confirm availability. Your request automatically references this product.
