Waterway Executive Volute 315-1240
Product Overview
We supply the Waterway Executive Volute, a high-performance component designed specifically for 48-frame motors. This professionally engineered volute features a side discharge configuration and integrated mounting inserts, optimized for superior flow characteristics.
Key Features
- 48-frame motor compatibility
- 2″ MBT side discharge port
- Integrated mounting inserts
- Large 2½” intake design
- 6½” diameter wet end
- Enhanced flow geometry
- Professional-grade construction
🔧 Exploded diagram and parts
This part belongs to the Waterway Executive 48 Frame Parts & Wetends assembly. Everything listed below is something we stock for it, and the numbers match the diagram.
| No. | Part | Our part number | Availability | |
|---|---|---|---|---|
| 1a | ![]() |
Magic Plastics Union 0602-20 (2" Pump Union) | 0602-20 | 414 in stock |
| 4 | ![]() |
Waterway O-Ring 805-0112 | 805-0112 | 243 in stock |
| 7 | ![]() |
Waterway Executive Faceplate 311-1210 | 311-1210 | 35 in stock |
| 7 | ![]() |
Waterway Executive Faceplate 311-1220 | 311-1220 | 24 in stock |
| 11 | ![]() |
Generic Pump Seal PS-1000 | PS-1000 | 790 in stock |
| 11 | ![]() |
Shaft Seal, PS-961, 5/8" Shaft, Buna, Carbon Face | PS-961 | 55 in stock |
| 11 | ![]() |
Shaft Seal, PS-1905, 5/8" Shaft, Silicon Carbide PS-1000 | PS-1905 | 9 in stock |
| 11 | ![]() |
Shaft Seal, 1000, 5/8" Shaft, Buna | 1000 | 141 in stock |
| 11 | ![]() |
Generic Pump Seal PS-3865R | PS-3865R | 357 in stock |
| 13 | ![]() |
Waterway Hi-Flo Executive Slinger 313-1400 | 313-1400 | 16 in stock |
Complete motors
| No. | Part | Our part number | Availability | |
|---|---|---|---|---|
| 15 | ![]() |
Motor, Century, 1.5 Horsepower, 115v/230v, 1 Speed, 48 Frame | BN35V1 | Available to order |
| 15 | ![]() |
Motor, Century, 2.0 Horsepower, 115v/230v, 1 Speed, 48 Frame | BN40SS | 31 in stock |
| 15 | ![]() |
Generic Motor BN25V1 | BN25V1 | 21 in stock |
Parts that go with this
| Part | Our part number | Availability | |
|---|---|---|---|
![]() |
Wet End, WW Executive 4.0hp 2"mbt 48fr | 310-1910 | 22 in stock |
Applications
Ideal for:
- High-flow requirements
- Professional installations
- Large spa systems
- Custom spa builds
- Performance upgrades
- Noise-sensitive setups
Technical Specifications
| Specification | Detail |
|---|---|
| Model Number | 315-1240 |
| Series | Executive |
| Frame Size | 48-frame |
| Discharge Size | 2″ MBT |
| Discharge Location | Side |
| Intake Size | 2½” |
| Wet End Diameter | 6½” |
| Design Type | High-performance |
Exploded parts diagrams: This part is shown as item #12 on the Waterway Executive 48 Frame Parts & Wetends; item #24 on the Waterway Workman 48-Frame Above Ground Pump exploded parts diagrams.
🔧 Waterway Executive 48 Frame Parts & Wetends – exploded parts diagram

The numbered parts below make up this assembly. Parts we stock are linked – click any to view.
| No. | Part |
|---|---|
| – | Tune-Up Kit, Waterway Executive Pumps |
| 16d | 34-270-W013K16D |
| 16c | 34-270-W013K16C |
| 16b | 34-270-W013K16B |
| 16a | 34-270-W013K16A |
| 15b | 34-270-W013K15B |
| 15a | 34-270-W013K15A |
| 14b | 34-270-W013K14B |
| 14a | 34-270-W013K14A |
| 13 | Water Slinger, Waterway Hi-Flo/Mustang/Executive |
| 12 | Volute, WW Exec 48 Frame, w/Inserts – Use Complete Wet End ◀ this part |
| 11 | 34-270-W013K11 |
| 10 | 34-270-W013K10 |
| 9 | 34-270-W013K9 |
| 8 | 34-270-W013K8 |
| 7 | 34-270-W013K7 |
| 6 | 34-270-W013K6 |
| 5 | Screw, Waterway Exec/Renegade/Mustang, 8-32 x 7/16" |
| 4 | 34-270-W013K4 |
| 3 | 34-270-W013K3 |
| 2 | O-Ring, 2-3/4" ID, 1/8" Cross Section, Generic |
| 1b | 34-270-W013K1B |
| 1a | Pump Union, 2" Female Buttress Thread x 2" Slip |
Performance Features
- Enhanced hydraulic efficiency
- Reduced noise operation
- Higher head pressure capability
- Optimized flow characteristics
- Superior pressure distribution
- Low turbulence design
- Improved water pathway
Engineering Excellence
- Computer-designed interior
- Strategic insert placement
- Reinforced mounting points
- Precision discharge alignment
- Flow-optimized geometry
- Stress-balanced design
Installation Considerations
- Direct OEM replacement
- Proper alignment essential
- Insert orientation critical
- Discharge positioning options
- Gasket surface preparation
- Torque specifications
Maintenance Guidelines
- Regular inspection schedule
- Check mounting integrity
- Monitor sealing surfaces
- Verify thread condition
- Inspect internal passages
- Clean as needed
System Integration
- Standard plumbing compatible
- Multiple mounting options
- Flexible orientation
- Professional installation ready
- Universal connections
Alternate Part Numbers
- 1-05-0318































