Hot Picks Tekmar Controls 403 tN2 House Control for Boilers, DHW and Setpoint

The Tekmar Controls 403 is designed for managing mechanical equipment in residential hydronic heating systems. This control can coordinate different heating methods through a network. It works for simple systems, like a single baseboard zone with an on/off boiler, and extends to more complex setups with multiple fan coils and radiant floor heating. It supports controlling up to two heating water temperatures with outdoor and indoor feedback.

• Microprocessor-based control system
• Supports multiple heating configurations and up to 24 zones
• Includes various sensors and an outdoor sensor

Product Highlights

The Tekmar Controls 403 is suitable for residential heating applications, providing efficient control for up to two heating temperatures and supporting various boiler setups.

Product Information

Standard Information

• Brand: Tekmar Controls
• Product Item: 403

Technical Specifications

• Power Supply: 24 V (ac) +/- 10%, 60 Hz, 100 VA max
• Control Load: 2 VA
• Pump Power: 115 V (ac) 12 A max
• Ambient Conditions: Indoor use only, 32 to 104 °F, RH 90% non-condensing
• Zone Pumps: Four on-board pumps
• Included Sensors: Outdoor Sensor 070, Two Universal Sensors 082
• Enclosure: NEMA 1 rated plastic
• Weight: 2.45 lbs