Onga SPN100SP 1.10kW 240V Twin Impeller Cast Iron High Head Medium Flow Automatic Transfer Pump with Pressure Switch

The Onga SPN100SP is a compact yet powerful twin impeller transfer pump, built from heavy-duty cast iron for long-lasting durability in domestic, agricultural, and light commercial applications. Designed for high head and medium flow performance, this model delivers up to 100 litres per minute at a maximum head of 51 metres—making it ideal for pressure boosting, multi-outlet supply, and long-distance water transfer.

Fitted with an integrated pressure switch, the SPN100SP automatically starts and stops in response to demand, ensuring efficient operation and consistent water pressure without manual intervention. The twin impeller design maximises efficiency while maintaining quiet performance, and the brass impellers and quality mechanical shaft seal enhance reliability in continuous service.

FEATURES

• Twin impeller design for excellent head and steady flow
• Rugged cast iron casing for strength and longevity
• Brass impellers for high wear resistance
• Automatic pressure switch for reliable on-demand operation
• High-quality ceramic/graphite shaft seal for extended life
• BSP threaded suction and discharge connections for easy installation
• TEFC motor for quiet, low-maintenance operation
• Supplied with 1.5m lead and 3-pin plug (240V)
  

APPLICATIONS

• Automatic domestic water supply systems
• Agricultural and horticultural irrigation
• Pressure boosting for homes, gardens, or small businesses
• Washdown bays and cleaning systems
• Heating and cooling water circulation
  

SPECIFICATIONS

• Power: 1.10kW, 240V, single phase
• Max Flow: 100 L/min
• Max Head: 51m
• Inlet: 32mm (1¼” BSPF)
• Outlet: 25mm (1” BSPF)
• Pump Casing: Cast Iron
• Impellers: Brass
• Shaft: Stainless Steel
• Seal: Ceramic/Graphite/NBR
• Liquid Temperature: 0°C to 90°C
• Max Ambient Temperature: 40°C
  

OPERATING CONDITIONS

• Clean Water
• Liquid Temperature: 0°C to +90°C
• Max. Ambient Temperature: 40°C