Honeywell Underfloor Heating manifold Controller. The HCC80R is a wireless underfloor heating controller capable of controlling up to 8 underfloor heating zones when used with the Honeywell evohome system. Simply the best underfloor heating controller available, no other controller can do what it does. When used with the evohome screen The only wiring is power supply (13 amp spur). UFH pump and actuators are wired directly to the controller using the fast fit connectors supplied. All other connections are wireless saving time and install costs. No Zone valve required.