1. Introducción
This manual provides essential instructions for the safe and efficient operation, installation, and maintenance of your Steinbach SPS 50-1T self-priming filter pump. Please read this manual thoroughly before operating the pump to ensure proper function and longevity of the product. This filter pump is designed for use with swimming pools up to approximately 22,000 liters water content.
2. Instrucciones de seguridad
Importante: Always disconnect the pump from the power supply before performing any installation, maintenance, or cleaning tasks.
- Ensure the power supply matches the pump's specifications (230V/250W).
- The pump must be installed on a stable, level surface, protected from direct weather exposure.
- No opere la bomba si el cable de alimentación o el enchufe están dañados.
- Mantenga a los niños y a las personas no autorizadas lejos de la bomba durante su funcionamiento.
- Never run the pump dry. Ensure the pump is filled with water before starting.
- La temperatura máxima del agua para su funcionamiento es de 35°C.
- All electrical connections should be performed by a qualified electrician and comply with local regulations.
3. Producto terminadoview y componentes
The Steinbach SPS 50-1T is a self-priming filter pump equipped with a pre-filter and an integrated timer. Familiarize yourself with the main components:

Figura 1: En general view of the Steinbach SPS 50-1T filter pump, showing the motor, pump housing, pre-filter, and control panel.
- Motor: The electrical unit that drives the pump impeller.
- Carcasa de la bomba: Contains the impeller and directs water flow.
- Prefiltro: A transparent chamber with a removable basket designed to capture larger debris before it reaches the pump impeller, protecting the pump from damage.
- Conexiones de entrada/salida: Points for connecting hoses (Ø 32/38 mm).
- Panel de control: Features ON/OFF and TIMER buttons, along with indicator lights for setting operation duration.

Figura 2: Detallado view of the pre-filter assembly, showing the transparent lid and the hose connection point for the inlet.

Figura 3: The pump's control panel, featuring the ON/OFF button, TIMER button, and indicator lights for setting operational hours.
4. Configuración e instalación
- Colocación: Position the pump on a firm, level surface, ideally below the water level of the pool for easier priming. Ensure it is protected from rain and direct sunlight.
- Conexiones de manguera: Connect the pool's skimmer line to the pump's inlet (pre-filter side) and the return line to the pump's outlet. Use hoses with a diameter of Ø 32/38 mm. Secure all connections with hose clamps para evitar fugas.

Figura 4: View of the threaded inlet and outlet ports on the pump, ready for hose adapters.
- Cebado de la bomba: Before starting, ensure the pre-filter is filled with water. If the pump is above water level, it may require manual priming by filling the pre-filter chamber until water flows into the pump housing.
- Conexión eléctrica: Plug the pump into a grounded electrical outlet (230V). Ensure the outlet is protected by a Residual Current Device (RCD) for safety.
5. Instrucciones de funcionamiento
Una vez instalada y cebada, la bomba está lista para funcionar.
5.1 Operación manual
- Presione el ENCENDIDO/APAGADO button on the control panel to start the pump.
- Presione el ENCENDIDO/APAGADO button again to stop the pump.
5.2 Función de temporizador
The integrated timer allows for automated operation cycles.
- Ensure the pump is connected to power.
- Presione el MINUTERO button repeatedly to select the desired operating duration (e.g., 2, 4, 6, 8, 10, 12, 14, 16, 24 hours). The corresponding indicator light will illuminate.
- The pump will start and run for the selected duration, then automatically shut off.
- The timer cycle will repeat daily at the same time it was initially set. To reset the timer, unplug the pump for a few seconds and then plug it back in.
6. Mantenimiento
El mantenimiento regular garantiza un rendimiento óptimo y prolonga la vida útil de su bomba.
6.1 Cleaning the Pre-filter Basket
- Desconecte la bomba de la fuente de alimentación.
- Close any valves to prevent water flow from the pool.
- Desenrosque la tapa transparente del prefiltro.
- Remove the pre-filter basket and clean it thoroughly under running water.
- Inspeccione el sello de junta tórica en la tapa para detectar daños y asegúrese de que esté limpio.
- Replace the basket, secure the lid, and open the valves.
- Si es necesario, vuelva a cebar la bomba antes de reiniciarla.

Figura 5: The pre-filter chamber with its transparent lid removed, showing the internal basket for debris collection.
6.2 Preparación para el invierno
- At the end of the swimming season, disconnect the pump from power and drain all water from the pump and hoses to prevent freezing damage.
- Limpie bien la bomba y guárdela en un lugar seco y libre de heladas.
7. Solución de problemas
| Problema | Posible causa | Solución |
|---|---|---|
| La bomba no arranca | Sin energía; disyuntor disparado; sobrecarga del motor. | Check power connection; reset circuit breaker; allow motor to cool. |
| La bomba funciona pero no fluye agua | Pump not primed; air leak in suction line; clogged pre-filter basket; closed valves. | Prime the pump; check all connections for leaks; clean pre-filter; open all valves. |
| Flujo de agua reducido | Partially clogged pre-filter; restricted suction or return lines; low water level in pool. | Clean pre-filter; check and clear hoses; ensure adequate pool water level. |
| Ruido excesivo | Air in pump; cavitation; motor bearing wear. | Ensure pump is fully primed and no air leaks; check for obstructions in suction line; contact service if motor noise persists. |
8. Especificaciones técnicas
| Característica | Especificación |
|---|---|
| Modelo | SPS 50-1T (040949) |
| Fuente de alimentación | 230 V/50 Hz |
| Consumo de energía | 250 vatios |
| Pump Power (Flow Rate) | 7,020 liters/hour (Q= 117 l/min) |
| Altura máxima de la bomba (altura) | 7.5 metros |
| Tipo de bomba | Self-priming with Pre-Filter |
| Conexión de manguera | Diámetro 32/38 mm |
| Temperatura máxima del agua | 35°C |
| Tamaño máximo de la piscina | 22,000 litros |
| Nivel de ruido | Aprox. 70dB |
| Funciones integradas | Minutero |
| Dimensiones del producto | 1 x 1 x 1 cm |
| Peso del artículo | 6 kilogramos |
| Material | Metal (motor housing), Plastic (pump housing, pre-filter) |
9. Garantía y soporte
For warranty information, technical support, or spare parts, please refer to the documentation provided with your purchase or contact Steinbach customer service. Keep your proof of purchase for warranty claims.
You can find more information and contact details on the official Steinbach websitio: www.steinbach.at



