Tekmar 401 TN2 House Control – HVAC Boiler Control System Buy Today

The Tekmar 401 TN2 House Control is an essential component for managing hydronic heating systems. Engineered to interface seamlessly with tekmarNet2 (TN2) thermostats, this device regulates one outdoor reset water temperature and supports Domestic Hot Water and Setpoint operations. It features four embedded zones that can manage up to four zone pumps. Expansion is straightforward via tekmarNet4 (TN4) terminals, facilitating the addition of zones, scheduling, and other accessories.

• Efficient control of heating systems with compatibility for up to four zone pumps
• Supports additional zones and scheduling through TN4 expansions
• Constructed with durable blue PC+ABS plastic, rated UL94-5VA

Product Highlights

Enhance HVAC system efficiency with this state-of-the-art controller. It offers indoor environmental adaptation from 32 to 104 degrees Fahrenheit, with a humidity tolerance up to 90% non-condensing. The unit requires a 24V AC power supply and provides a modulating boiler output from 0 to 10 V DC.

Product Information

Technical Specifications

• Enclosure Type: O-Enclosure, PC+ABS
• Power Supply: 24 V AC, 100 VA max, Class 2
• Control Load: 2 VA
• Zone Pump Relays: 115 V AC, 5 A, 1/6 HP
• Boiler Relay: 24 V AC, 5 A
• DHW Pump Relay: 115 V AC, 5 A, 1/6 HP
• Pump Power: 115 V AC, 12 A max
• Setpoint and DHW Calls: Short, 0 – 32 V AC
• Boiler Modulating Output: 0 – 10 V DC, 3 kohm min load impedance