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The tekmarNet® 2 Zone Expansion Module 324 is designed to provide expansion for a zoning solution used in heating systems. It can be used in applications ranging from baseboard zones, to remote manifolds for radiant heating. This product expands the number of zones in a heating system by up to 4 zone valves or zone pumps. It is capable of providing power for up to 4 tekmarNet® 2 thermostats and energizing their respective 24 V (ac) or 115 V (ac) zones, as well as providing a powered Zone Group Pump (powered end switch) contact to enable an external device such as a manifold pump.

  • CSA C US Certified for use in USA and Canada
  • For use with tekmarNet® 2 thermostats ONLY
  • Four zone valves or zone pumps
  • Only requires 2 Wires Per Zone
  • Time delay for thermal motor zone valves
  • tekmarNet® 4 compatible

  • Control: Microprocessor control. This is not a safety (limit) control
  • Packaged weight: 4.9 lb. (2220 g)
  • Dimensions: 3-5/8" H x 5-3/8" W x 9/16" D (92 x 137 x 14 mm)
  • Approvals: CSA C US, meets Class B: ICES & FCC Part 15
  • Power supply: Provided by interconnected tekmarNet Zone Manager
  • Zone power: 115 V (ac) +/- 10%, 60 Hz, 12 A max
  • Zone group pump relay: 115 V (ac) 5 A
  • Zone relays: 115 V (ac) 5 A
  • Cool and fan relays: 24 V (ac) 2 A
  • Warranty: Limited 3 Year Warranty
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Width (Inches):




Depth (Inches):



4 Zone Valves

4 Zone Pumps

Weight (lbs):

4.9 lbs

User Interface:

DIP Switch


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