Tekmar 256 Boiler Control One Stage Boiler

The Boiler Control 256 is designed to operate a single boiler using Outdoor Temperature Reset. It can be used in applications ranging from a single zone of baseboard to multiple zones of fan coils and baseboard. This control regulates a single heating water temperature through Outdoor Temperature Reset. Features: Advanced settings to fine-tune building requirements, Automatic Boiler Differential, Quick setup for easy installation and programming, Outdoor Temperature Reset, Warm Weather Shut Down, Setback input for night setback and Test sequence. CSA C US certified (approved to applicable UL standards).