Waterway E-Series Center Discharge Impeller – 0.5HP (310-8000)
Product Overview
As a retailer of hot tub spa parts, I’m featuring this specialized Waterway E-Series impeller designed for center discharge applications with a 0.5 HP rating. This precision-engineered component delivers reliable performance for lower-power pump applications.
Key Features
- E-Series specific design
- 0.5 HP rating
- Center discharge optimization
- Professional-grade construction
- Balanced performance
- Standard specification
- Precision engineering
Technical Specifications
| Specification | Detail |
|---|---|
| Model Number | 310-8000 |
| Series | E-Series |
| Horsepower | 0.5 HP |
| Brand | Waterway |
| Type | Standard |
| Design | Center Discharge |
| Material | High-grade thermoplastic |
| Application | Center discharge pumps |
Exploded parts diagram: This part is shown on the Waterway HiFlo & HiFlo II Series Pump Replacement Parts exploded parts diagram.
🔧 Waterway HiFlo & HiFlo II Series Pump Replacement Parts – exploded parts diagram

The numbered parts below make up this assembly. Parts we stock are linked – click any to view.
| No. | Part |
|---|---|
| – | Impeller, Waterway E-Series/Hi-Flo II, 0.5 Horsepower ◀ this part |
| – | Impeller, Waterway E-Series/Hi-Flo II, 0.75 Horsepower |
| – | Impeller, Waterway E-Series/Hi-Flo II, 1.0 Horsepower (Red) |
| – | Impeller, Waterway E-Series/Hi-Flo II, 1.5 HP (Yellow) |
| – | Impeller, Waterway E-Series/Hi-Flo II, 2.0 Horsepower(White) |
| – | Faceplate, Waterway Hi-Flo II, 2"mbt |
| – | Shaft Seal, WW Supreme/Hi-Flo II, Viton |
| – | Drain Plug, Waterway EX2/Hi-Flo II |
| – | Tool, Klorkinator, Lid/Cover Removal Tool |
| 23b | 34-270-W003K23B |
| 23a | 34-270-W003K23A |
| 22b | 34-270-W003K22B |
| 22a | 34-270-W003K22A |
| 21 | 34-270-W003K21 |
| 20 | 34-270-W003K20 |
| 19 | Water Slinger, Waterway Hi-Flo/Mustang/Executive |
| 18 | 34-270-W003K18 |
| 17 | 34-270-W003K17 |
| 16 | 34-270-W003K16 |
| 15 | Wear Ring, Waterway HiFlo |
| 14 | O-Ring, 5-3/4" ID, 1/8" Cross Section, Generic,O-108 |
| 13 | 34-270-W003K13 |
| 12 | Screw, WW E-Series/Hi-Flo/Viper/Workman/EX2, 8-32 x 5/8" |
| 11 | Split Nut, 2", Pump Union blk |
| 10 | 34-270-W003K10 |
| 9 | 34-270-W003K9 |
| 8 | Gasket, Waterway, 2" Union, Flat |
| 7b | 34-270-W003K7B |
| 7a | 35-270-2080 |
| 6 | Basket, Pump, OEM Waterway 6" Trap |
| 5 | O-Ring, Buna-N, 5-7/8" ID, 1/4" Cross Section, Generic |
| 4b | Trap Lid, Waterway Hi-Flo/Mustang/Workhorse/Workman |
| 4a | Trap Lid, Waterway, Easy Lock |
| 3 | Trap Lid, Waterway Hi-Flo |
| 2 | Clamp Ring, Waterway HiFlo, Trap Lid |
| 1b | 34-270-W003K1B |
| 1a | 34-270-W003K1A |
Design Features
- Precision-balanced construction
- Optimized vane geometry
- Enhanced flow dynamics
- Center discharge pattern
- Strategic water routing
- Professional-grade material
- Efficiency-focused design
Applications
Specifically designed for:
- E-Series center discharge pumps
- 0.5 HP applications
- Professional installations
- System maintenance
- OEM replacements
- Performance upgrades
Installation Benefits
- Direct E-Series fit
- Precise balancing
- Professional assembly
- Easy maintenance
- Simplified service
System Integration
Compatible with:
- Waterway E-Series pumps
- Center discharge systems
- Standard shaft sizes
- Original mountings
- Professional installations
Performance Features
- 0.5 HP optimization
- Efficient water movement
- Balanced operation
- Consistent performance
- Reliable function
Key Benefits
- Professional-grade quality
- Precise power matching
- Enhanced efficiency
- Reliable operation
- Extended service life














