The tekmarNet (R) 2 Wiring Center 314 is designed to provide a zoning solution for heating systems. It can be used in applications ranging from baseboard zones, to radiant heating zones. This product provides power for up to four tekmarNet (R) 2 thermostats and up to four 115 V (ac) zones pump outputs, as well as providing an end switch closure to enable an external device such as a boiler. An outdoor sensor input is included and provides the outdoor air temperature reading on each thermostat when an optional outdoor sensor is installed.