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WPP-A Bathtub Pump | 110-120V Spa Water Circulation Pump
The WPP-A Bathtub Pump is a reliable spa water circulation pump designed for whirlpool bathtubs and hydrotherapy systems operating on 110–120V / 60Hz power supplies. Featuring low vibration, quiet operation, automatic drainage, overload protection, and IPX5 waterproof protection, it is ideal for North American spa and bathtub applications.
WPP-A Bathtub Pump for North American Spa Systems

The WPP-A Bathtub Pump is engineered for whirlpool bathtubs, massage bathtubs, spa systems, and hydrotherapy equipment using 110–120V / 60Hz electrical systems. Designed with efficient hydraulic performance and a durable motor, the WPP-A Series provides reliable water circulation while maintaining low noise and vibration.
Features
- Automatic drainage
- Low vibration
- Silent operation
- Anodized aluminum motor body
- Built-in overload protection
- Optional pneumatic air switch
- Class F insulation
- IEC71 motor frame
- IPX5 waterproof protection
- Maximum liquid temperature ≤50°C
Performance curves

Size of Installation
| Model | WPP370A/WPP550A/WPP750A/
WPP900A/WPP1100A/WPP1500A |
WPP1800A |
|---|---|---|
| L1(mm) | 28.5 | 37.5 |
| L2(mm) | 172 | 181 |
| L3(mm) | 341 | 359 |
Technical parameter list
| Model | Power | V/Hz | Qmax | Hmax | Fitting size | G.W | Packing size | Qty/20′ |
|---|---|---|---|---|---|---|---|---|
| L/min | Meter | mm | kg | mm | ||||
| WPP370A | 370W/0.5HP | 110~120V /60Hz | 200 | 5 | 48.5/50 | 6.8 | 360x160x205 | 2455 |
| WPP550A | 550W/0.75HP | 270 | 7 | 6 | ||||
| WPP750A | 750W/1.0HP | 370 | 10 | 6.5 | ||||
| WPP900A | 900W/1.2HP | 380 | 11.5 | 6.8 | ||||
| WPP1100A | 1100W/1.5HP | 420 | 12 | 7 | ||||
| WPP1500A | 1500W/2.0HP | 450 | 13.5 | 7.5 | ||||
| WPP1800A | 1800W/2.5HP | 500 | 16.5 | 8 |
Available Models
WPP370A
WPP550A
WPP750A
WPP900A
WPP1100A
WPP1500A
WPP1800A
Different power options are available to meet various whirlpool bathtub and spa system requirements.
Applications
Ideal for:
- Whirlpool Bathtubs
- Spa Equipment
- Massage Bathtubs
- Hydrotherapy Systems
- Residential Spa Systems
- Commercial Spa Equipment
- Bathroom OEM Projects
The WPP-A Series is specially developed for 110V markets, delivering stable performance, quiet operation, and dependable water circulation for North American spa installations.
Size of Installation
| Model | WPP370A/WPP550A/WPP750A/
WPP900A/WPP1100A/WPP1500A |
WPP1800A |
|---|---|---|
| L1(mm) | 28.5 | 37.5 |
| L2(mm) | 172 | 181 |
| L3(mm) | 341 | 359 |
Technical parameter list
| Model | Power | V/Hz | Qmax | Hmax | Fitting size | G.W | Packing size | Qty/20′ |
|---|---|---|---|---|---|---|---|---|
| L/min | Meter | mm | kg | mm | ||||
| WPP370A | 370W/0.5HP | 110~120V /60Hz | 200 | 5 | 48.5/50 | 6.8 | 360x160x205 | 2455 |
| WPP550A | 550W/0.75HP | 270 | 7 | 6 | ||||
| WPP750A | 750W/1.0HP | 370 | 10 | 6.5 | ||||
| WPP900A | 900W/1.2HP | 380 | 11.5 | 6.8 | ||||
| WPP1100A | 1100W/1.5HP | 420 | 12 | 7 | ||||
| WPP1500A | 1500W/2.0HP | 450 | 13.5 | 7.5 | ||||
| WPP1800A | 1800W/2.5HP | 500 | 16.5 | 8 |


