Customer Service: 888-995-6556
Free Shipping on Orders Over $500

Tekmar 422 Universal Reset Module - Two tN4, Mixing, Boiler, DHW & Setpoint

$ 658.80

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, setpoint loads, and can expand up to 24 zones in total for each heating water temperature.

• Automatic Boiler Differential
• Boiler Protection
• DHW Post Purge
• DHW Priority (optional)
• DHW control
• Exercising
• Expandable up to 48 zones
• Indoor Temperature Feedback
• One touch overrides (with optional User Switch)
• Outdoor Temperature Reset
• Powered pump outputs
• Single on/off, or modulating boiler control
• System Setback (with optional Timer)
• Variable Speed, or Floating action mixing control
• Warm Weather Shut Down
• Zone Synchronization

Click to View Submittal Sheet
Click to View Installation Manual
Click to View Wiring Brochure

Join our Mailing List

Sign up to receive our daily email and get 50% off your first purchase.