Aladdin O-487-0 Nautilus New Style Filter Tank O-Ring – 195310
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Correct Tank O-Ring for PacFab / Pentair Nautilus New Style Filters
- Aladdin O-487-0 replacement filter tank O-ring cross-referenced to PacFab/Pentair 195310.
- Aladdin identifies O-487 as the Nautilus “New Style” tank O-ring.
- Parts references list 195310 as the tank O-ring on Pentair/PacFab Nautilus INS D.E. filter models including INS24, INS36, and INS48.
- Seals the main joint between the upper and lower filter tank sections when the exact filter calls for 195310.
- Aftermarket Aladdin replacement part; not a Pentair OEM-branded O-ring.
Quick Product Summary
The Aladdin O-487-0 is a replacement tank O-ring for PacFab/Pentair Nautilus filters that specify part number 195310. Aladdin identifies O-487 as the Nautilus New Style tank O-ring, while Nautilus INS D.E. replacement-parts references identify 195310 as the main tank O-ring on the polymeric Nautilus INS filter family.
This large seal sits at the main filter tank joint and is responsible for sealing the tank when the filter is correctly assembled and clamped. Because older Nautilus, Nautilus FRP, FNS, and related Pentair filter families use several different tank-seal part numbers, O-487-0 should be selected by the exact filter model and OEM reference rather than by appearance alone.
If a Nautilus filter is leaking at the tank seam, inspect the existing tank O-ring and sealing surfaces for flattening, cuts, stretching, distortion, debris, or incorrect seating. Replace the seal when the parts diagram specifies 195310 and the existing gasket can no longer seat correctly.
Best For
Servicing the main tank seal on a PacFab/Pentair Nautilus INS D.E. filter when the filter’s replacement-parts diagram identifies the tank O-ring as 195310. Common Nautilus INS references include INS24, INS36, and INS48 configurations.
Why Exact Nautilus Tank-Seal Matching Matters
- Direct aftermarket cross-reference for PacFab/Pentair 195310.
- Specifically identified by Aladdin as the Nautilus New Style tank O-ring.
- Helps avoid confusing 195310 with other Nautilus and FNS tank O-rings such as the separate 195008 family.
- Useful during filter teardown, leak repair, grid service, or preventive tank-seal replacement.
Common Signs / Use This When
- Water leaks from the main filter tank seam.
- The existing tank O-ring is flattened, cut, stretched, distorted, or missing.
- The filter has been opened for internal service and the old tank seal no longer seats correctly.
- Your Nautilus parts diagram specifies PacFab/Pentair 195310.
Product Specifications
| Specification | Details |
|---|---|
| Brand | Aladdin Equipment Company |
| Aladdin Part Number | O-487-0 |
| UPC / Barcode | 601402254949 |
| Product Type | Filter tank O-ring |
| Primary Application | PacFab / Pentair Nautilus New Style filter tank |
| Verified Filter Family | Nautilus INS D.E. |
| Common Model References | INS24, INS36, INS48 |
| OEM Cross-Reference | PacFab / Pentair 195310 |
| OEM Status | Aftermarket Aladdin replacement part |
Compatibility / Fitment Notes
Use O-487-0 only when the exact Nautilus filter or parts diagram calls for PacFab/Pentair 195310. Aladdin distinguishes this as the Nautilus New Style tank O-ring. Other Nautilus and FNS filter generations can use different tank O-rings, so model and part-number verification are important before ordering.
Installation / Use Notes
Turn the circulation system off and completely relieve filter pressure before opening the tank. Follow the service instructions for the exact Nautilus filter, remove the old tank O-ring, clean the O-ring groove and mating surfaces, and inspect the tank and clamp components before reassembly.
Install the replacement seal evenly without twisting, pinching, or trapping debris beneath it. Reassemble and secure the filter exactly as specified by the manufacturer, then check the full tank seam for leakage after returning the system to operation.
Buy with Confidence
Benchmark Pool Supply helps customers match legacy filter seals by exact model and manufacturer cross-reference. O-487-0 is specifically tied to PacFab/Pentair 195310, which helps separate it from the other large tank O-rings used across Nautilus and FNS filter generations.
Frequently Asked Questions
What is Aladdin O-487-0 used for?
O-487-0 is a main filter tank O-ring for PacFab/Pentair Nautilus New Style applications that specify part number 195310.
What Pentair or PacFab part does O-487-0 replace?
Aladdin cross-references O-487-0 to PacFab/Pentair 195310.
What Nautilus models use the 195310 tank O-ring?
Nautilus INS D.E. replacement-parts references show 195310 as the tank O-ring on the INS24, INS36, and INS48 filter family.
Is O-487-0 the same as every Nautilus or FNS tank O-ring?
No. Nautilus and FNS filter generations use multiple tank O-ring part numbers. Match the exact filter model and OEM number before ordering.
Is O-487-0 a genuine Pentair OEM part?
No. O-487-0 is an Aladdin aftermarket replacement that cross-references PacFab/Pentair 195310.
