Waterway EX2 Faceplate 311-2311
$58.72
Faceplate, Pump, Waterway EX2, 2″MBT
| Manufacturer part number | 311-2311 |
| UPC (GTIN) | 806105355911 |
| Returns | 30-day returns – see our returns policy |
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Waterway EX2 Faceplate 311-2311
Product Overview
We supply the Waterway EX2 Faceplate (311-2311), an essential component of the high-performance EX2 pump series. This precision-engineered faceplate is designed specifically for larger spa installations where optimal flow and efficiency are paramount.
Key Features
- 2″ MBT (Male Buttress Thread) connection
- Compatible with 48 and 56-frame models
- Engineered for maximum flow efficiency
- Precision-molded construction
- Optimized intake geometry
- Heavy-duty thermoplastic material
- Designed for high-performance applications
Applications
Perfectly suited for:
- Large spa installations
- High-jet-count systems
- Commercial applications
- High-flow requirements
- Both single and dual-speed pump configurations
Technical Specifications
| Specification | Detail |
|---|---|
| Model Number | 311-2311 |
| Series | EX2 |
| Connection Size | 2″ MBT |
| Material | High-grade thermoplastic |
| Frame Compatibility | 48 & 56 frame |
| Speed Compatibility | Single & dual speed |
| Design Type | High-flow optimization |
Exploded parts diagram: This part is shown as item #4 on the Waterway EX2 Spa Pump 48-Frame & 56-Frame exploded parts diagram.
🔧 Waterway EX2 Spa Pump 48-Frame & 56-Frame – exploded parts diagram
The numbered parts below make up this assembly. Parts we stock are linked – click any to view.
| No. | Part |
|---|---|
| 11A | 34-270-W019K11A |
| 11 | 34-270-W019K11 |
| 10 | 34-270-W019K10 |
| 9 | 34-270-W019K9 |
| 8 | O-Ring, Buna-N, 6-1/4" ID, 3/32" Cross Section, Generic |
| 7 | 34-270-W019K7 |
| 6 | 34-270-W019K6 |
| 5 | Wear Ring, Waterway EX2 |
| 4 | Faceplate, Waterway EX2 ◀ this part |
| 3 | Screw, WW E-Series/Hi-Flo/Viper/Workman/EX2, 8-32 x 5/8" |
| 2 | O-Ring, 1/2" ID, 3/32" Cross Section, Generic |
| 1 | Drain Plug, Waterway EX2/Hi-Flo II |
Performance Benefits
- Enhanced water flow characteristics
- Optimized for multiple jet configurations
- Improved hydraulic efficiency
- Reduced turbulence
- Superior sealing properties
Engineering Features
- Precision-molded construction
- Optimized inlet design
- Reinforced mounting points
- Chemical-resistant materials
- UV-stabilized composition
Installation Considerations
- Direct replacement for EX2 series pumps
- Proper alignment crucial for optimal performance
- Gasket inspection recommended during installation
- Torque specifications must be followed
- Compatible with both new installations and retrofits
Maintenance Guidelines
- Regular inspection for wear
- Check seal integrity periodically
- Clean mating surfaces during replacement
- Verify proper alignment
- Monitor for any unusual noise or vibration
Compatibility
- Works with all EX2 series pumps
- Ideal for high-demand applications
- Suitable for both residential and commercial use
- Compatible with standard pump mounting systems
Alternate Part Numbers
🔧 Exploded diagram and parts
This part belongs to the Waterway EX2 Spa Pump 48-Frame & 56-Frame assembly. Everything listed below is something we stock for it, and the numbers match the diagram.
| No. | Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|---|
| 1 |  |
Waterway EX2 Drain Plug 715-4020 | 715-4020 | 36 in stock | $3.62 | Add to cart |
| 3 |  |
Waterway Screw 819-1110 | 819-1110 | Available to order | $1.35 | |
| 5 |  |
Waterway XE2 Wear Ring 319-1270 | 319-1270 | 2 in stock | $10.20 | Add to cart |
| 6 |  |
Waterway EX2 Impeller 310-2330 | 310-2330 | 46 in stock | $29.37 | Add to cart |
| 6 |  |
Impeller, Waterway EX2, 2.0 Horsepower | 310-2340 | 17 in stock | $46.23 | Add to cart |
| 6 |  |
Waterway EX2 Impeller 310-2300 | 310-2300 | 90 in stock | $50.95 | Add to cart |
| 6 |  |
Impeller, Waterway EX2, 3.0 Horsepower (Green) | 310-2350 | 160 in stock | $48.69 | Add to cart |
| 7 |  |
Shaft Seal, 5/8" Shaft , Viton 200, US Seal | PS-200V-CMS | 189 in stock | $22.31 | Add to cart |
| 7 |  |
5/8" Shaft Pump Seal PS-1901 | PS-1901 | 43 in stock | $71.13 | Add to cart |
| 7 |  |
Shaft Seal, 200, 5/8" Shaft, Buna | 200 | 412 in stock | $7.04 | Add to cart |
| 7 |  |
Shaft Seal, 5/8" Shaft , Viton 200 | 200V | 35 in stock | $11.54 | Add to cart |
Complete pumps
| No. | Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|---|
| 11 |  |
Waterway EX2 Spa Pump 3420610-1U — 1.5 HP 2-Speed 115V 48 Frame | 3420610-1U | 46 in stock | $377.39 | Add to cart |
| 11 |  |
Waterway EX2 Spa Pump 3421021-1U — 2.5 HP Dual-Speed 230V 48-Frame | 3421021-1U | 38 in stock | $467.09 | Add to cart |
| 11 |  |
Waterway EX2 Spa Pump 3421020-1U — 2.5 HP Dual-Speed 230V 48-Frame | 3421020-1U | 44 in stock | $501.46 | Add to cart |
| 11 |  |
Waterway EX2 3421821-1U Spa Pump — 3.0 HP Dual Speed 230V 48-Frame | 3421821-1U | 20 in stock | $520.88 | Add to cart |
Complete motors
| No. | Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|---|
| 10 |  |
Motor, Century, 1.5 Horsepower, 115v/230v, 1 Speed, 48 Frame | BN35V1 | Available to order | $249.65 | Add to cart |
| 10 |  |
Motor, Century, 2.0 Horsepower, 115v/230v, 1 Speed, 48 Frame | BN40SS | 31 in stock | $390.93 | Add to cart |
| 10 |  |
Motor, Century, 3.0 SPL, 230v, 2 Speed, 48 Frame, EE | BN61 | 57 in stock | $546.78 | Add to cart |
| 10 |  |
Motor, Century, 2.0 Horsepower, 230v, 2 Speed, 48 Frame | BN51 | 41 in stock | $474.66 | Add to cart |
| 10 |  |
Motor, Century, 3.0 Horsepower, 230v, 2 Speed, 48 Frame | SDS1302 | 3 in stock | $646.79 | Add to cart |
| 10 |  |
Motor, Century, 2.0 Horsepower, 230v, 2 Speed, 56 Y Frame | B2233 | 6 in stock | $438.30 | Add to cart |
| 10 |  |
Motor, Century, 3.0 Horsepower, 230v, 2 Speed, 56 Y Frame | B2234 | 1 in stock | $600.35 | |
| 10 |  |
Generic Motor TT502 | TT502 | 1 in stock | $200.33 | Add to cart |
Parts that go with this
| Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|
 |
Volute, Waterway EX2, 56 Frame, 2" | 315-2311 | 3 in stock | $63.65 | Add to cart |
 |
Waterway EX2 Volute 315-2301 | 315-2301 | 3 in stock | $60.83 | Add to cart |
| Brand | Waterway |
|---|