tekmar’s zone valve control 306V provides heat to hydronic heating systems by connecting as many as four thermostats and operating various zone valves. Designed to operate zone valves and a system pump, the control includes optional exercising and post-purge operation of the domestic hot water tank, as well as RoomResponse technology for adjusting boiler target temperatures based upon thermostat on-time.

tekmar. www.tekmarcontrols.com