Part of the 326 Series

Ordering Code: 326

UPC: 779655032604

tN4 Zone Expansion Module, Three Zone Pumps


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  • CSA C US Certified for use in USA and Canada
  • Simple wiring
  • Three 115 V powered zone pump outputs
  • tekmarNet (R) 4 compatible
  • One 115 V powered zone group pump output
Agency Approvals CSA C US, meets Class B: ICES & FCC Part 15
Ambient Conditions Indoor use only, 32 to 122 degrees F (0 to 50 degrees C), RH less than or equal to 80 percent to 88 degrees F (31 degrees C), down to 50 percent above 104 degrees F (40 degrees C), Altitude less than 6560 ft. (2000 m), Installation Category II, Pollution Degree
Control Load Combined relay load 10 A max
Control Type Microprocessor control, this is not a safety (limit) control
Dimensions 3-5/8" H x 5-3/8" W x 9/16" D (92 x 137 x 14 mm)
Power Supply Provided by interconnected tekmarNet Zone Manager
Zone Group PumpC Relay 115 V (ac) 5 A
Zone Pump Relay 115 V (ac) 5 A
Zoning - Thermostat Type t4 Zone Expansion Module