Grundfos CU301 control box for SQE borehole pumps (domestic)

Constant-pressure control for Grundfos SQE borehole pumps. The CU301 control box is designed specifically to work with Grundfos SQE submersible borehole pumps, delivering intelligent constant-pressure control for domestic and light commercial water supply systems.

• Maintains constant water pressure throughout the system for steady supply to fixtures and outlets.
• Simple pressure adjustment lets you set performance to suit system requirements.
• Monitors pump operation and system performance, with alarm and fault indication for added protection.
• Communicates directly with the SQE pump via the pump cable—no additional communication wiring required.
• Easy-to-use interface simplifies system setup and ongoing monitoring.

When paired with a Grundfos SQE pump, the CU301 provides a compact control solution aimed at reliable, energy-efficient constant-pressure water delivery for homes, gardens, farms and small commercial applications.