Tekmar® 423 Universal Reset Module, NTC Thermistor Sensor, LCD Pushbutton User Interface, Import
TEKMAR423
- Country of Origin: CA
- Dimensions: 5-3/8 in W x 9/16 in D x 3-5/8 in H
- Domestic/Import: Import
- Enclosure Type: NEMA Type 1
- Full Load Current: 10 A
- Manufacturer Name: Watts Water Technologies
- Sensor: NTC Thermistor
- User Interface: LCD Pushbutton
The Universal Reset Module 423 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 four temperature systems comprised of multiple fan coils, baseboard, mixed radiant floor zones, and two modulating/condensing boilers. This control regulates up to four space heating water temperatures through Outdoor Temperature Reset and Indoor Temperature Feedback. It is capable of controlling two on/off or modulating boilers, Domestic Hot Water, set point loads, and can expand up to 24 zones for each space heating water temperature (96 in total).
- Features and More
Features
- Automatic boiler differential
- Boiler protection
- DHW post purge
- DHW control
- Expandable up to 96 zones
- Controls up to 4 water temperatures
- One touch overrides
- Outdoor temperature reset
- Powered pump outputs
- Set point operation
- Two on/off or two modulating boiler control
- Warm weather shut down
- Zone synchronization
- Control - Microprocessor PID control, this is not a safety (limit) control
- Four tN4, two boiler, DHW and set point
Includes
- 070 Outdoor Sensor and 2 of 082 Universal Sensor
Standards/Approvals/Certifications
- CSA/cUS Certified for use in USA and Canada
- Meets Class B: ICES and FCC Part 15
Warranty
- 3 years Limited