tN2 House Control Zoom

tN2 House Control


Brand: Tekmar

Qty Price
/ each
In Stock! Ships in 24-48 Hours
(4 Available)



Height (Inches): 5.5
Width: 5-1/2"
Depth (Inches): 2-1/4"
Ambient Conditions: Indoor use only 32 to 104°F < 90% RH non-condensing
Enclosure Type: O
Boiler Relay: 24 V (ac) 5 A
DHW Pump Relay: 115 V (ac) 5 A 1/6 HP
Setpoint: Short. 0 - 32 V (ac)
Output: 0 - 10 V (dc) 3K ohms min load impedance
Weight (lbs): 1.37 lbs
Power Supply: 24V (ac)
Pump Power: 115 V (ac) 12 A max
Type: House Control
Application: HVAC

Description for Tekmar 401


The House Control 401 is designed to operate as part of a complete hydronic heating system with tekmarNet®2 (tN2) thermostats. It can provide operation of one outdoor reset water temperature in addition to Domestic Hot Water and Setpoint capabilities. It has four built in zones that can operate up to four zone pumps. It is easy to add more zones, add schedules or other convenient accessories through the use of the tekmarNet®4 (tN4) Expansion terminals.


  • Enclosure: O-Enclosure, blue PC+ABS UL94-5VA plastic
  • Approvals: CSA C US, meets ICES & FCC regulations for EMI / RFI
  • Ambient Conditions: Indoor use only, 32 to 104°F (0 to 40°C), RH 90% Non-condensing
  • Power Supply: 24 V (ac) ±10% 60 Hz, 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 minimum load impedance

tN2 House Control


by PowerReviews
TekmartN2 House Control

(based on 1 review)

Ratings Distribution

  • 5 Stars



  • 4 Stars



  • 3 Stars



  • 2 Stars



  • 1 Stars



Reviewed by 1 customer

Displaying review 1

Back to top


Tekmar Products are great

By Doug

from Nashua NH

Verified Buyer



      Best Uses

        Comments about tN2 House Control:

        I bought the 401 because of the modulating output necessary to operate a Burnham Alpine condensing boiler. Prior to this system, I had a Tekmar 370 controller running an oil fired Burnham series 7 cast iron boiler. The 370 was impressive however just not the optimal controller for my new heating system.
        The 401 controller works very well and the documentation made installation very simple. The ability to use a temperature sensor in my indirect DHW tank further optimized my systems energy efficiency.
        The temperature control in my home is rock steady with no discernable variations as you typically get using conventional on/off thermostats.

        • Primary use:
        • Personal

        Displaying review 1

        Back to top

        Q&A: Ask the Questions, share answers