Underfloor Heating Blending/Mixing Valve | Pump Mixer Set | Grundfos UMP3 AUTO

UFH Pump Mixer Set / Blending Valve with Grundfos UMP3 AUTO, designed for efficient temperature control and circulation in underfloor heating systems. The integrated thermostatic blending valve ensures accurate supply temperature regulation, while the Grundfos UMP3 AUTO pump automatically adapts to system demand for reliable and energy-efficient operation.

Supplied as a ready-to-install mixing unit, suitable for connection to standard UFH manifolds in residential and commercial installations.

Key Features

• Integrated Grundfos UMP3 AUTO circulation pump with automatic demand adaptation

• Thermostatic blending valve with temperature range

• Accurate flow and temperature control for UFH systems

• Standard 210mm connection spacing for UFH manifolds

• Rated for 10 BAR maximum static pressure

• Standard 1″ connections for compatibility with common UFH manifolds

• Supplied pre-assembled and ready for installation

Technical Specifications

• Pump model: Grundfos UMP3 AUTO

• Temperature adjustment range: 20–43 °C (±2 °C accuracy)

• Maximum static pressure: 10 BAR

• Flow coefficient (KVS): 2.5

• Medium: Water / glycol solution (max. 30%)

• Application: Underfloor heating temperature blending and circulation