TEKMAR 420 BOILER RESET MOD ONE TN4 BOILER DHW AND SETPOINT

Tekmar® Boiler Reset Module, NTC Thermistor, User Interface: LCD Pushbutton, 1 Boiler Stage, 10 A Full Load, NEMA Type 1 Enclosure, 5-3/8 in W x 9/16 in D x 3-5/8 in H, Import

The Boiler Reset Module 420 is designed to operate all of the mechanical equipment in a hydronic heating system, except for zones, coordinating their operation through network communication. It can be used in applications ranging from a single zone of baseboard with an on/off boiler, to multiple radiant floor zones with a modulating/condensing boiler. This control regulates one space heating water temperature through Outdoor Temperature Reset and Indoor Temperature Feedback. It is capable of controlling a single on/off or modulating boiler, Domestic Hot Water, set point loads, and can expand up to 24 zones in total.