The HÖRSTAD Underfloor Heating Mixing Pump Set is designed to deliver consistent circulation and accurate temperature control within wet UFH systems. By blending flow and return water to the correct operating temperature, it ensures safe and efficient heat delivery to the manifold and floor circuits.
Efficient circulation systems rely on the absence of air within the pipework. Air in the system can lead to uneven heat distribution, increased noise, and premature pump wear. To address this, the HÖRSTAD mixing pump includes a built-in venting routine mode.
During venting mode, the pump operates intermittently for approximately 10 minutes, forcing trapped air to rise to the highest point in the system. The installer can then vent the system, check system pressure, and top up if necessary. This process helps protect the pump, improve overall efficiency, and maintain quiet operation.
Reliable, installer-focused, and engineered for long-term performance, the HÖRSTAD mixing pump set is a key component in achieving stable and efficient underfloor heating system operation.
Mixing Pump Set consists of:
- Three-way thermostatic mixing
valve ESBE VTA322 or VTA372 - Thermometers on supply and
return beam - 1” Pump gauge port for manifold
and heat source - Available in 210mm and 235mm
manifold connection centres - Pre-assembled for instant
installation - Dimensions: 340 x 230 x 165mm
User Manual: Pump Set User Manual


