Waterway Spa-Flo II Suction Cover 311-1060 – Professional 48-Frame Component
Product Overview
As a retailer of hot tub spare parts, I’m offering the 311-1060 suction cover, specifically designed for Waterway Spa-Flo II and Iron-might series pumps. This professional-grade component features a 48-frame design with 1-1/2″ intake configuration.
Key Features
- Engineered for 48-frame applications
- 1-1/2″ MBT (Male Buttress Thread) intake
- Side discharge compatibility
- Professional-grade construction
- Waterway original design
- Precision manufacturing since 1973
Technical Details
This suction cover represents Waterway’s commitment to quality, featuring specific design elements for optimal flow characteristics and reliable pump protection.
Exploded parts diagram: This part is shown as item #2 on the Waterway Spa Flo/Iron Might 48-Frame Pump exploded parts diagram.
🔧 Waterway Spa Flo/Iron Might 48-Frame Pump – exploded parts diagram

The numbered parts below make up this assembly. Parts we stock are linked – click any to view.
| No. | Part |
|---|---|
| 20b | 34-270-W021K20B |
| 20a | 34-270-W021K20A |
| 19b | 34-270-W021K19B |
| 19a | 34-270-W021K19A |
| 18B | 34-270-W021K18B |
| 18a | 34-270-W021K18A |
| 17 | Gasket, Waterway, 2" Union, Flat |
| 16 | Split Nut, 2", Pump Union blk |
| 15 | Drain Plug, Waterway |
| 14 | O-Ring, 7/16" ID, 3/32" Cross Section, Generic |
| 13 | Trap Body, Waterway, 1-1/2"mbt/1-1/2"fpt x 2" flange |
| 12 | Basket, Pump, OEM Waterway 6" Trap |
| 11 | O-Ring, Buna-N, 5-7/8" ID, 1/4" Cross Section, Generic |
| 10 | Trap Lid, Waterway Hi-Flo/Mustang/Workhorse/Workman |
| 9 | Trap Assy, WW Ctr Disch/Spa-Flo, 1-1/2"Union x 1-1/2"mbt/fpt |
| 8 | O-Ring, 1-7/8" ID, 1/8" Cross Section, Generic |
| 7 | 34-270-W021K7 |
| 6 | Volute, Waterway Spa Flo/Iron Might, 1-1/2" |
| 5 | 34-270-W021K5 |
| 4 | 34-270-W021K4 |
| 3 | O-Ring, Buna-N, 4-3/4" ID, 1/8" Cross Section, Generic |
| 2 | Faceplate, Waterway SpaFlo/Iron Might ◀ this part |
| 1 | Screw, WW E-Series/Hi-Flo/Viper/Workman/EX2, 8-32 x 5/8" |
Specifications Table
| Specification | Detail |
|---|---|
| Model Number | 311-1060 |
| Series | Spa-Flo II/Iron-might |
| Frame Size | 48-Frame |
| Intake Size | 1-1/2″ MBT |
| Configuration | Side Discharge |
| Material | Engineering Grade Polymer |
| Design Type | Suction Cover |
| Mounting | Direct Fit |
| Brand | Waterway |
| Alternative Part Numbers | 3-05-5018, 311-1060B, 35-270-1724 |
Installation Compatibility
Designed for:
- Waterway Spa-Flo II series
- Iron-might series pumps
- 48-frame configurations
- Side discharge applications
- 1-1/2″ plumbing systems
Performance Benefits
- Optimized flow design
- Enhanced suction protection
- Reliable operation
- Proper pump protection
- Efficient water flow
- Extended service life
Maintenance Guidelines
For optimal performance:
- Regular inspection schedule
- Check threading condition
- Monitor seal integrity
- Verify proper alignment
- Clean intake regularly
- Assess wear patterns
Installation Requirements
- Confirm pump series compatibility
- Verify frame size
- Check thread specifications
- Ensure proper alignment
- Follow torque specifications
- Verify seal placement
Quality Assurance
- Manufactured by Waterway
- Established brand since 1973
- Professional-grade specifications
- Quality controlled production
- Reliable performance history
Alternate Part Numbers
- 3-05-5018
- 311-1060B (Waterway)
- 35-270-1724






















