Tekmar, 261, Two Stage Boiler Control with Setpoint

261 Application Brochure
261 Installation and Operation Manual

The Boiler Control 261 is designed to stage multiple boilers using outdoor reset. It can be used in applications ranging from a single zone of baseboard, multiple baseboard and fan coil zones, to dedicated setpoint heating in commercial buildings. This control regulates a single heating water temperature through outdoor reset and/or setpoint target control. It is capable of controlling (stage and rotate) up to 2 on/off boilers, or a single 2 stage boiler, as well as the system pump.