For underfloor heating the right temperature, at the right time, in the right place.
Koen is the economical solution if you want to install zone heating on underfloor heating distributors. Koen is a multiple engine driver, with 1 to 6 engines operating can be open or closed for connection to the floor heating system valves. You installs one motor per valve (and loop) and one Koen per zone. Connect Koen to the Plugwise Plug HA to open or close the motors in one go.