Pentair Letro Booster Volute – New Version (LA39534)
Product Overview
We stock the latest version of the Pentair Letro Booster volute, engineered specifically for enhanced pressure boosting applications. This updated design offers improved performance and reliability for booster pump systems.
Key Features
- New version design
- Booster pump specific
- Letro series compatibility
- Enhanced pressure capability
- Updated engineering
- Professional-grade construction
- Optimized boost performance
Technical Specifications
| Specification | Detail |
|---|---|
| Model Number | LA39534 |
| Series | Letro Booster |
| Version | New/Current |
| Brand | Pentair |
| Design Type | Pressure Booster |
| Construction | Enhanced build |
| Application | Pressure boosting |
| Build Grade | Professional |
Exploded parts diagram: This part is shown as item #5 on the Letro Booster Pump – LA01N – New Style exploded parts diagram.
🔧 Letro Booster Pump – LA01N – New Style – exploded parts diagram

The numbered parts below make up this assembly. Parts we stock are linked – click any to view.
| No. | Part |
|---|---|
| – | Pump, Booster, Pentair, 3/4hp, 115v/230v, E-Commerce |
| – | Kit Adapt Booster Pmp |
| – | Pump, Booster, Pentair Letro, 0.75hp, 115v/230v, OEM |
| 19 | Motor, Letro, 0.75hp, 115v/230v, 1Spd, 56Yfr, Thd, LA01 |
| 18 | 34-104-W003D18 |
| 18 | 35-104-1001 |
| 17 | 34-104-W003D17 |
| 16 | Pump Stand, Pentair Letro Booster, New Style |
| 15 | Gasket, Garden Hose, Generic |
| 14 | 34-104-W003K14 |
| 13 | Nipple, 3/4" Male Pipe Thread x Close, SCH80 |
| 12 | 90 Elbow, 3/4" Slip x 3/4" Male Pipe Thread |
| 11 | 34-104-W003K11 |
| 10 | Hose Adapter, Pentair Letro Booster |
| 9 | 34-104-W003K9 |
| 8 | Adjustment Screw, Pentair Letro Legend Cleaners, White |
| 7 | O-Ring, Buna-N, 5/16" ID, 1/16" Cross Section, Generic |
| 6 | Seal Plate, Pentair Letro Booster, New Style |
| 5 | Volute, Pentair Letro Booster, New Version ◀ this part |
| 4 | 34-104-W003K4 |
| 3 | 34-104-W003K3 |
| 2 | Nut, Pentair Letro Booster, Volute, Quantity 2, New Version |
| 1 | Bolt, Pentair Letro Booster, Volute, Quantity 2, New Style |
Design Features
- Updated internal geometry
- Pressure-optimized channels
- Reinforced mounting points
- Enhanced flow routing
- Improved structural design
- Stress-resistant construction
- Modern engineering updates
🔧 Exploded diagram and parts
This part belongs to the Letro Booster Pump – LA01N – New Style assembly. Everything listed below is something we stock for it, and the numbers match the diagram.
Complete pumps
| Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|
![]() |
Pentair Letro Universal Booster Pump — 0.75 HP 115V/230V for Pressure-Side Pool Cleaners | LA01N | Available to order | $533.25 |
Applications
Specifically designed for:
- Pressure booster systems
- High-pressure applications
- Water feature enhancement
- Pressure-side cleaners
- Auxiliary pump systems
- Professional installations
Installation Benefits
- Modern mounting system
- Updated connection points
- Enhanced serviceability
- Improved alignment
- Professional maintenance access
System Integration
Compatible with:
- Letro booster pumps
- Current pressure systems
- Updated mounting configurations
- Modern seal designs
- Latest plumbing standards
Performance Features
- Enhanced pressure capability
- Improved flow characteristics
- Updated efficiency design
- Optimized boost performance
- Reliable operation
Design Improvements
- Updated internal flow paths
- Enhanced pressure handling
- Modern structural reinforcement
- Improved durability features
- Latest engineering standards





























