Pentair 4-Inch Beige Silicone Gasket Replacement - Reliable Seal
Pentair 4-Inch Beige Silicone Gasket Replacement - Reliable Seal
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In this review of the Pentair 4-Inch Beige Silicone Gasket Replacement, the bottom line is simple: this is a straightforward, effective replacement gasket for Pentair AquaLight pool and spa lights that prioritizes a reliable seal. It is aimed at pool owners or technicians who need a direct, durable replacement part to keep water out of light housings. The gasket's silicone construction and exact 4-in size make installation predictable, and customers report it fits well and restores the light's watertight performance.
Key Features
- Compatibility: Designed to work with Pentair AquaLight pool and spa lights, ensuring a proper fit for the intended fixtures.
- Material: Made of silicone, which provides flexibility and long-term resistance to water and temperature changes.
- Size: The 4-in diameter matches the original gasket dimensions for straightforward replacement.
- Voltage Support: Intended for use with 120-Volt fixtures rated at 100-Watt or 200-Watt, matching common AquaLight installations.
- Color Option: Available in beige, allowing a neutral appearance where the gasket may be visible at the fixture rim.
Who It's For
This gasket is best for homeowners maintaining a Pentair AquaLight pool or spa light who need a direct, OEM-compatible replacement to restore a watertight seal. It is also suitable for pool service professionals who frequently replace light gaskets and value a part that fits without trimming or modification.
It is not for someone looking for a universal gasket to fit a wide range of non-Pentair fixtures or for projects requiring a different diameter or material. If the original gasket is damaged in a way that requires housing repair, a simple replacement gasket alone may not be sufficient.
Pros & Cons
Pros
- Provides a reliable watertight seal when installed in compatible AquaLight housings.
- Silicone construction offers flexibility and durability against pool conditions.
- Correct 4-in size gives a predictable fit and straightforward swap-in replacement.
- Customers report strong functionality and quality that matches expectations.
Cons
- Color may vary and beige may not match all fixture aesthetics perfectly.
- Opinions on value for money are mixed, with some customers finding it on the pricey side for a single gasket.
Specifications
| Brand | Pentair |
| Part Number | 79108600 |
| Catalog Number | 9250-03A |
| Material | Silicone |
| Color | Beige (may vary) |
| Size | 4-in diameter |
| Operational Voltage / Wattage | 120-Volt; 100-Watt, 200-Watt |
Our Verdict
The Pentair 4-Inch Beige Silicone Gasket Replacement is a solid choice for anyone needing a direct replacement for AquaLight pool and spa fixtures. It delivers the primary benefit of restoring a secure, watertight seal with minimal fuss, backed by silicone durability. For users who require precise compatibility and reliable performance, this gasket is worth purchasing despite mixed views on price.
Frequently Asked Questions
Will this gasket fit any AquaLight model?
It is designed for Pentair AquaLight pool and spa lights that use a 4-in gasket; check your fixture size to confirm compatibility.
Is the gasket material durable in pool conditions?
Yes, the gasket is made of silicone, which resists water and typical pool temperature variations.
Does the color always match the fixture?
Color is listed as beige but may vary, so appearance can differ slightly from the original gasket.
Editor's Take
A solid replacement part for Pentair AquaLight fixtures, this 4-in silicone gasket restores a reliable watertight seal and fits predictably; good durability makes it a practical choice despite mixed views on price.

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