The Mulfitfunction Climate Control Unit provides control of any 3-Way Modulating Valves (0-10VDC) up to three different water temperatures in either radiant heating or snow-melting applications. Mount the modulating Valve Control on or near the valve. Connect to the Multifunction Climate Control unit using a standard Cat5 cable with RJ45 ends. Uponor offers three-way valves with the valve control pre-wired and mounted to the motor.