Single Loop Temperature Controller & Pump Assembly – Grundfos 3-Speed UFH Mixing Unit

This Single Loop Temperature Control & Pump Assembly is a compact, high-efficiency unit designed for individual underfloor heating zones or single-room systems.

Featuring a powerful Grundfos 3-speed circulation pump, this unit automatically mixes flow and return water to maintain a precise outlet temperature. With a simple dial control, you can set temperatures between 35°C and 65°C, while the internal thermostat maintains accuracy to within ±2°C, even when boiler conditions fluctuate.

Ideal for retrofit or new build single-zone UFH systems, this pre-assembled unit is easy to install, compact, and reliable.

Key Features:

• High-Output Grundfos 3-Speed Circulator Pump
• Temperature Control Range: 35°C – 65°C
• ±2°C Flow Temperature Accuracy
• Integrated Mixing Valve
• Pre-Assembled – Plug & Play Ready
• Compact & Lightweight Design
• 2-Year Warranty Included

Frequently Asked Questions

• What type of system is this designed for?

It’s ideal for single-zone underfloor heating systems, such as individual rooms or small extensions.

• How is the water temperature controlled?

The unit includes a built-in mixing valve and thermostat that automatically blends hot and cold water to your set temperature between 35–65°C.

• Can I adjust the temperature manually?

Yes. A simple dial lets you easily set your desired flow temperature, which the unit then maintains.

• Is the Grundfos pump included?

Yes – a high-efficiency Grundfos 3-speed circulator pump is fully integrated in the unit.