Grundfos SQE Constant Pressure System
SQE 2-55 constant +40m 96524505
In stock
- Established 1975
- Trusted by thousands of customers
The Grundfos SQE2-55 Constant Pressure System is a specific configuration of Grundfos’s SQE series, designed to maintain constant water pressure in residential or light commercial water systems. Here’s a breakdown of its features and functionality:
Key Features of the Grundfos SQE2-55 System:
- Pump Model:
- The SQE2-55 pump is a submersible, variable-speed pump designed for wells.
- The “2-55” indicates its specific flow and head capabilities:
- Approxiamtley 2000 litres/hr and 55 metre head or 5.5bar.
- Compact, lightweight, and corrosion-resistant.
- Constant Pressure Technology:
- Uses a CU301 Control Unit and a pressure sensor to adjust the pump’s speed dynamically.
- Ensures a steady water pressure, regardless of fluctuating water demand.
- Variable Speed Control:
- The pump’s motor adjusts its speed to match water usage, maintaining the set pressure while conserving energy.
- Small Pressure Tank:
- The system includes a smaller 8 litre pressure tank than traditional setups, as the variable-speed technology minimizes the need for large tanks to compensate for pressure changes.
- Built-In Protection:
- Features protection against:
- Dry-running.
- Voltage fluctuations.
- Overheating.
- Over-pressurization.
- Features protection against:
- Energy Efficiency:
- The variable-speed motor ensures the pump only operates at the level required to meet demand, reducing energy consumption and wear.
Benefits:
- Constant Water Pressure:
- Delivers consistent pressure, even when multiple water outlets are in use.
- Energy Savings:
- Adapts its performance to actual demand, making it more efficient than traditional pumps.
- Compact Design:
- Smaller physical footprint due to the reduced size of the pressure tank.
- Durability:
- High-quality materials ensure long-lasting performance and reliability.
- Ease of Use:
- The CU301 control unit provides simple operation and diagnostics.
Applications:
- Residential homes, especially those with wells.
- Small commercial properties.
- Irrigation systems for gardens or small farms.
- Areas where consistent water pressure is essential, such as homes with modern appliances that require steady pressure.
The Grundfos SQE2-55 is ideal for installations where high pressure and low to moderate water flow rates are needed, offering a reliable and efficient solution to common water pressure challenges.
More about this product
- SQE pump
- CU301 Control Unit
- Pressure Sensor
- Pressure Tank
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sales Sheet PDFDownload
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CU301 data PDFDownload
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CU301 wiring PDFDownload
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Service Manual PDFDownload
- Download
Standard delivery:
Standard delivery is free on most orders. Some items may incur a delivery charge depending on weight, size or value. Any applicable charge will be displayed at checkout.
Deliveries will typically be made between 7am and 6pm, Monday to Friday (excluding public holidays).
Next day delivery:
Next working day delivery is available for a £16.50 + VAT delivery charge.
Orders must be placed before 12 noon to qualify for next working day delivery. Orders placed after 12 noon on Thursday but before noon on Friday will be delivered the following Monday. Orders placed after 12 noon on Friday will be delivered on Tuesday.
Pallet/Large/Difficult items:
Some large, heavy or difficult to transport items may incur an additional delivery charge. Please contact us for a delivery quote before ordering.





