The groups are manufactured on European equipment and are of the highest quality and reliability. A high quality Ra 6.6 GF polymer alloy was used in the manufacture. On the flow manifold there are flow meters with the possibility of fixing the position, and on the return manifold there are thermostatic valves, with a decorative cover that can be removed to connect a servomotor and any other control automation. No corrosion, no microbial growth.Number of outputs: 9Purpose of use: for underfloor heating