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ESPA Silen I 33 8 M 0.33 HP 230 V Single-Phase Pump – 203144
Espa
| SKU:
203144
279,67 €
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ESPA Silen I 33 8 M 0.33 HP pump for swimming pool recirculation and filtration. Single-phase 230 V, quiet, self-priming up to 4 m, 50 mm connections, and IPX5 protection. Ref. 203144.
ESPA Silen I 33 8 M 0.33 HP 230 V Single-Phase Pump – 203144 subject to supplier availability.
Available to order: delivery time to be confirmed
Description
Description
ESPA Silen I 33 8 M – reference 203144:
single-stage centrifugal pump for
recirculation and filtration of water in small swimming pools,
with 230 V single-phase power supply and quiet operation.
Main advantages
- Quiet operation.
- Self-priming up to 4 m.
- Built-in thermal protection.
- Designed for continuous operation.
- Connection unions included.
Materials and construction
- Body, impeller, diffuser, suction and discharge in technopolymer.
- Pump shaft in AISI 431.
- Aluminium motor housing.
- Joints in NBR/EPDM.
- 2-pole asynchronous motor.
Technical specifications ESPA Silen I 33 8
| Reference | 203144 |
|---|---|
| Model | Silen I 33 8 |
| Power supply | 1~ 230 V single-phase |
| Current | 2 A |
| Input power P1 | 0.45 kW |
| Useful power P2 | 0.25 kW / 0.33 HP |
| Capacitor | 12 µF |
| Connections | 50 mm |
| Protection | IPX5 |
| Insulation | Class F |
| Maximum water temperature | 40 °C |
| Weight | 8.9 kg |
| Cable | Not included |
Hydraulic efficiency
| Flow rate | 1.5 m³/h | 3 m³/h | 4.5 m³/h | 6 m³/h | 9 m³/h |
|---|---|---|---|---|---|
| Head | 10.2 mWC | 9.7 mWC | 8.6 mWC | 7.2 mWC | 3.2 mWC |
The available flow rate depends on the head and the installation's pressure losses. When replacing another pump, it is advisable to compare the operating point, not just the power in HP.
Dimensions
| A | B | C | D | E | F | G | I | J | K | L |
|---|---|---|---|---|---|---|---|---|---|---|
| 439 mm | 192 mm | 115 mm | 304 mm | 210 mm | 50 mm | 221 mm | 264 mm | Ø9 mm | 108 mm | 212 mm |
ESPA Silen I range comparison
| Model | Reference | P2 | Current | Tabulated flow rate |
|---|---|---|---|---|
| Silen I 33 8 | 203144 | 0.25 kW / 0.33 HP | 2 A | Up to 9 m³/h |
| Silen I 50 12 | 203145 | 0.37 kW / 0.5 HP | 2.8 A | Up to 12 m³/h |
| Silen I 100 15 | 203146 | 0.75 kW / 1 HP | 3.8 A | Up to 17.4 m³/h |
Performance curve at 2900 rpm
For replacements: if you are replacing an ESPA Iris or another existing pump, check the dimensions, connection positions, and hydraulic curve before making the change.
