TC204 is a universal, outdoor reset, heating controller. It is the central control in residential and commercial systems. Hot water, steam and electric heat can be controlled by the TC204. The controller can be connected to a PC or to the web for remote monitoring and adjustment. The TC204 can be purchased by itself (as shown in the picture or pre-wired in an aluminum enclosure).
Analog inputs: 3 plus builtin sensor
Digital inputs: 1
Analog output: 1
Digital outputs: 3
Data port: 1 Includes: 1 x TS10U - Outdoor Sensor, 1 x TS1W - Supply Sensor