TEKMAR 422 UNIVERSAL RESET MOD 2 TN4 MIX BOILER DHW SETPOINT

Tekmar® Universal Reset Module, NTC Thermistor, User Interface: LCD Pushbutton, 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 Universal Reset Module 422 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 fan coils, mixed radiant floor zones, and a modulating/condensing boiler. This control regulates up to two heating water temperatures through Outdoor Temperature Reset and Indoor Temperature Feedback. It is capable of controlling a single on/off, two stage, or modulating boiler, a mixing device, Domestic Hot Water, set point loads, and can expand up to 24 zones in total for each heating water temperature.