Description
Balboa GG Spa Strip Skimmer (White) – 1-1/2" Slip, 4" x 9-1/4" Face, OEM 31990
Restore reliable surface skimming in your Balboa spa with the Balboa GG Spa Strip Skimmer. Crafted as a genuine replacement part for Balboa’s strip skimmer systems, this Complete Skimmer fits 1-1/2" slip plumbing and is designed to maintain optimal water flow while capturing surface debris before it reaches your pump and filter.
Why this Balboa strip skimmer stands out
- OEM Balboa GG design: exact fit and finish tailored to Balboa strip skimmer housings, reducing leaks and installation drama.
- 1-1/2" slip connection: straightforward replacement that pairs seamlessly with existing spa plumbing.
- 2-1/2" debris hole and 4" x 9-1/4" face: engineered for efficient surface skimming and easy alignment with spa openings.
- Color options: standard colors include white and bone; other colors may be available. This listing features White variant 31990-WH and Gray variant 31990-GRY for quick identification.
- Multiple OEM references: part numbers 31990, 31990-WH, 31990-GRY, and cross-reference 25245-000 for compatibility checks.
- Complete Skimmer assembly: ships as a full strip skimmer (not a partial insert), enabling a fast, tool-friendly swap during service or upgrades.
Ideal use cases
Perfect for residential or professional spa maintenance where the spa uses Balboa’s strip skimmer system. Replace worn or damaged skimmers to restore surface debris removal, maintain proper water circulation, and protect downstream components from clogs.
What you gain with this replacement
- Consistent skimming performance: the OEM geometry ensures a reliable seal and fluid flow, minimizing air leaks and suction issues.
- Simple upgrade path: compatible with existing slip fittings, allowing technicians and DIY enthusiasts to swap without re-plumbing.
- Color-compatible aesthetic: white (and bone/alternative colors in other listings) helps the skimmer blend with your spa interior.
- Clear part matching: identified by model and part numbers (31990, 31990-WH, 31990-GRY, 25245-000) to simplify ordering and inventory.
Installation tips and best practices
Before starting, power down the spa and disconnect circulation equipment. Remove the old skimmer body, clean the opening, and align the new Balboa Strip Skimmer so the 1-1/2" slip connection seats firmly. Ensure the 2-1/2" debris hole remains unobstructed and that the face sits flush against the spa shell for a secure, leak-free seal. After installation, run the pump briefly to verify steady flow and absence of leaks, then perform a routine skim and clean as part of your maintenance schedule.
Make the smart choice for your spa
Choosing an OEM Balboa GG Spa Strip Skimmer means you’re selecting a part that’s built to Balboa’s exact specifications, delivering dependable performance and longer service life compared with generic replacements. If you’re upgrading or replacing worn components in a Balboa-equipped spa, this complete strip skimmer delivers a precise fit, straightforward installation, and durable operation that keeps your spa water clear and circulating efficiently.
Ready to restore peak skimming performance? Add the Balboa Spa Strip Skimmer in White (31990-WH) or Gray (31990-GRY) to your cart and proceed with confidence—your spa will thank you with cleaner surfaces and healthier water.
Balboa (GG) Spa Strip Skimmer 90 [White] (10-6500)
- 25245-000
- 31990-WH
- 31990-GRY
- 10-6500
Replacement part for the 1-1/2" Strip Skimmer
Standard colors are white and bone. Other colors may also be available.
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Hole size 2-1/2"
| Skimmer Complete | Complete Skimmer |
| Manufacturer | GG/Balboa |
| Model | Strip Skimmer |
| Skimmer Type | Spa Strip |
| OEM Part Number | 31990 |
| Plumbing Connection Size | 1-1/2" |
| Plumbing Connection Type | Slip (s) |
| Color | White |
| Skimmer Face Size w x h | 4" x 9-1/4" |
| Skimmer Complete | Complete Skimmer |
| Manufacturer | GG/Balboa |
| Model | Strip Skimmer |
| Skimmer Type | Spa Strip |
| OEM Part Number | 31990 |
| Plumbing Connection Size | 1-1/2" |
| Plumbing Connection Type | Slip (s) |
| Color | White |
| Skimmer Face Size w x h | 4" x 9-1/4" |


