Acura Spa Aquaheat Plus Volute – 1-1/2″ (1111-A)
Product Overview
As a retailer of hot tub spa parts, I’m presenting the specialized Acura Spa Aquaheat Plus volute. This 1-1/2″ volute is specifically designed for Acura Spa systems, delivering reliable performance and perfect fitment for the Aquaheat Plus series.
Key Features
- Custom-designed for Aquaheat Plus systems
- 1-1/2″ plumbing connections
- Precision-engineered water flow path
- Direct OEM replacement design
- Durable thermoplastic construction
- Optimized for heat transfer efficiency
- Streamlined internal geometry
Technical Specifications
| Specification | Detail |
|---|---|
| Model Number | 1111-A |
| Connection Size | 1-1/2 inches |
| Brand Compatibility | Acura Spa Aquaheat Plus |
| Material | High-grade thermoplastic |
| Flow Design | Heat-optimized flow pattern |
| Connection Type | Threaded |
| Series | Aquaheat Plus |
| Application | Spa heating system |
Exploded parts diagram: This part is shown as item #4 on the Acura Spa Aquaheat Pump – 1-1/2″ suction / 1-1/2″ Discharge exploded parts diagram.
🔧 Acura Spa Aquaheat Pump – 1-1/2" suction / 1-1/2" Discharge – exploded parts diagram

The numbered parts below make up this assembly. Parts we stock are linked – click any to view.
| No. | Part |
|---|---|
| – | Screw Kit, Acura Aquaheat, Quantity 4 |
| 15 | 34-142-W005K15 |
| 14 | 34-142-W005K14 |
| 13 | Current Collector, Acura Spa Aquaheat |
| 12 | 47-555-2081 |
| 11 | 35-142-1215 |
| 10 | 34-142-W005K10 |
| 9 | 34-142-W005K9 |
| 8 | 35-142-1225 |
| 7 | O-Ring, Buna-N, 2-13/16" ID, 3/32" CrossSection, Generic |
| 6 | O-Ring, 5-3/4" ID, 1/8" Cross Section, Generic,O-108 |
| 5 | Gasket Kit, Acura Aquaheat 1-1/2"/Aquaheat Plus 2", Element |
| 4 | Volute, Acura Spa Aquaheat Plus, 1-1/2" ◀ this part |
| 1 | Pump Union, AquaFlo, 1-1/2"fbt x 1-1/2"s, qty 2 |
Design Features
- Heat-efficient internal channels
- Optimized flow characteristics
- Reinforced connection points
- Temperature-stable construction
- Smooth internal surfaces
- Strategic water routing design
Applications
Specifically engineered for:
- Acura Spa Aquaheat Plus systems
- Replacement installations
- Heating system upgrades
- Spa refurbishment projects
- OEM replacements
Installation Benefits
- Direct fit replacement
- Straightforward plumbing connections
- Compatible with original mounting
- Designed for easy service access
- Simplified maintenance
System Integration
Designed to work seamlessly with:
- Aquaheat Plus heating systems
- Standard 1-1/2″ plumbing
- Original pump configurations
- Factory-spec seals
- Standard pump mounts
Performance Features
- Enhanced heat transfer design
- Efficient water circulation
- Optimized pressure distribution
- Balanced flow characteristics
- Reliable operation




















