Jacuzzi 1.5HP Multi-Series Impeller | Part #6500-551
Product Overview
A versatile 1.5HP impeller designed for multiple Jacuzzi pump series including Piranha, Theramax, and Theraflo models. This component delivers efficient water flow and reliable performance for medium-duty applications.
Key Features
- 1.5HP optimized design
- Multi-series compatibility
- Balanced construction
- Efficient vane geometry
- Professional-grade materials
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number | 6500-551 |
| Horsepower Rating | 1.5 HP |
| Series Compatibility | Piranha/Theramax/Theraflo |
| Material | High-grade thermoplastic |
| Type | Standard |
| Brand Match | Jacuzzi/Sundance |
| Balance Grade | Precision |
| Flow Design | Medium capacity |
Exploded parts diagram: This part is shown on the Fixed Bracket 48 Frame 60Hz, J-300, J-200 exploded parts diagram.
🔧 Fixed Bracket 48 Frame 60Hz, J-300, J-200 – exploded parts diagram

The numbered parts below make up this assembly. Parts we stock are linked – click any to view.
| No. | Part |
|---|---|
| – | Impeller, Jacuzzi Fixed Bracket 48fr, 1.5hp ◀ this part |
| – | Impeller,Jacuzzi Fixed Bracket 48fr, 2.0hp |
| – | Impeller,Jacuzzi Bracketless 56fr/Fixed Bracket 48fr, 2.5hp |
| 13 | Seal Plate, Fixed Bracket 48 Frame |
| 12 | 34-105-W035K12 |
| 11 | 34-105-W035K11 |
| 10 | O-Ring, Jacuzzi Bracketless 56fr/Fixed Bracket 48fr, Volute |
| 9 | 34-105-W035K9 |
| 8 | Screw, Jacuzzi, 10-12 x 1" |
| 7 | Volute, Jacuzzi/Sundance J-LX/J-300 |
| 6 | O-Ring, 1/2" ID, 3/32" Cross Section, Generic |
| 5 | Barb Adapter, Valterra 3/8" Barb x 1/4" Male Pipe Thread |
| 4 | O-Ring, 2-9/16" ID, 3/32" Cross Section, Generic |
| 3 | Pump Union, 2" Female Buttress Thread x 2" Spigot, 45 degree |
| 2 | Pump Union, 2" Female Buttress Thread x 2" Slip |
| 1 | Split Nut, 2", Pump Union blk |
Applications
Specifically engineered for:
- Piranha series pumps
- Theramax configurations
- Theraflo assemblies
- Medium-duty systems
- Professional installations
Performance Features
- Optimized for 1.5HP operation
- Balanced water flow
- Efficient distribution
- Minimal turbulence
- Stable performance curve
Installation Guidelines
- Verify pump compatibility
- Check shaft dimensions
- Set proper clearances
- Confirm rotation direction
- Follow mounting procedures
Design Benefits
- Energy-efficient operation
- Extended service life
- Quiet performance
- Reliable flow delivery
- Cross-series versatility
Compatibility Notes
Designed for use across multiple 1.5HP Jacuzzi pump series. Ensures proper fit and function in Piranha, Theramax, and Theraflo models.
Service Recommendations
Regular inspection of:
- Vane condition
- Balance state
- Shaft fit
- Operating clearances
- Overall integrity
Maintenance Features
- Easy service access
- Durable construction
- Long-term reliability
- Simple inspection
- Universal application
Alternate Part Numbers
- SD6500-551














