TEKMAR 274 tN4 FOUR STAGE BOILER & DHW SETPOINT

The Tekmar Boiler Control 274 operates up to four on/off boilers to provide outdoor reset operation domestic hot water and setpoint operation with priority. When operating as a tN4 System Control the Tekmar 274 can connect with up to 24 tN4 devices on a single boiler bus. The Tekmar 274 has primary pump sequencing capabilities along with a flow proof or combustion air damper proof demand. Additional features of the Tekmar 274 include tN4 Compatible - 24 Hour 5-1-1 7 Day Schedule - Flow or Combustion Air Proof - Four On/Off Boilers and Equal Run Time Rotation. Also Primary Pump Sequencing - DHW Operation - Optional DHW Sensor and Setpoint Operation.