Grundfos Brine Circulation Pump – UPMGEO 25-85 180

Part No. 524513

Function:

• High-performance brine circulation pump designed specifically for ground source heat pump systems

• Maintains stable and efficient brine flow to support heat exchange and prevent LP (Low Pressure) faults

• Speed-controlled operation optimizes energy use and system responsiveness

Technical Specifications:

• Model: UPMGEO 25-85

• Port-to-Port Length: 180 mm

• Voltage: 1~230V

• Protection Rating: IP44

• Includes:

  • USB interface for integration with SMO firmware (for system labelling and software updates)

  • 2 x Gaskets for leak-free installation

Use Case / Fault Support:

• Commonly used to resolve LP alarms linked to poor brine circulation or partial pump failure

• Recommended during diagnostics or system performance restoration

Compatibility:
Fully compatible with Nibe ground source heat pump models and other major brands:

• Nibe F1145 – various kW capacities

• Nibe F1345 – various kW capacities

• Nibe F1355 – various kW capacities

Important Note:
❌ Not advised for use with KillFrost brine solutions – incompatibility may affect pump longevity or performance