Grundfos SQFlex 40 SQF-4 Centrifugal Submersible Solar Pump


NOTE: Grundfos is no longer making this pump. If you have any questions, please email us or give us a call (800-383-0195).

In stock

Grundfos SQFlex Centrifugal Solar Water Pump Model 40 SQF-4

NOTE: The maximum temperature of the water being pumped can be no higher than 104° F (40° C). Please email us or give us a call if you have any questions.

The SQFlex system is a reliable water supply system based on renewable energy sources, such as solar and wind energy. The SQFlex submersible pumps are fitted with a permanent magnet motor, which enables the most flexibility as to its energy supply and performance. It can be combined and adapted to any need according to the conditions on the installation site. The pump's innovative design allows it to be powered with both AC and DC sources without making any modifications to the pump or adding additional equipment. The Gundfos SQFlex line of pumps are perfectly suited for both continuous and intermittent use, making them useful for most remote watering applications.

Features and Benefits:

  • Renewable energy supply: solar panels or wind turbines
  • Built-in electronics, easy installation
  • Reliable water supply
  • Low operating costs
  • Dry-running protection
  • Built-in motor protection
  • High Efficiency
  • Maximum Power Point Tracking (MPPT)
  • Wide voltage range
  • Built-in sand shield
  • Two year warranty


  • Model Number: 40 SQF-4
  • Centrifugal pump
  • Supply Voltage: 30-300 VDC or 90-240 VAC at 50/60 Hz
  • Maximum Gallons per Minute: 58 GPM
  • Maximum Head: 115 ft.
  • Discharge: 2" NPT
  • Weight: 23.4 pounds
  • Dimensions: 39.09" length and 3.98" wide
  • 40 SQF-4 Curve Data (pdf file)

2 Year Warranty

NOTE: We stock most of the Grundfos SQF series submersible pumps and we can order any model that we do not stock. If you have any questions, please email us or give us a call (800-383-0195).

Write Your Own Review
Only registered users can write reviews. Please Sign in or create an account
More Information
Display "Price"Hide