Tekmar 275 Four Stage For Modulating Boilers and DHW

275 Application Brochure
275 Installation and Operation Manual
275 Submittal Data

The Boiler Control 275 is designed to stage multiple modulating boilers using Outdoor Temperature Reset. It can be used in applications ranging from baseboard or radiant heating systems, to dedicated domestic hot water heating in commercial buildings. This control regulates a single heating water temperature through Outdoor Temperature Reset and/or setpoint/DHW control. It is capable of controlling (stage and rotate) up to 4 modulating boilers by using a native 0-10 V (dc) signal, as well as the system pump (pump sequencing option).