Part of the Zone Controls Series

Ordering Code: 303P

UPC: 779655030303

Switching Relay, Three Zones with Priority


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tekmar Home

  • RoomResponse signal, compatible with all low voltage thermostats
  • Unlimited zone expansion, zone priority
  • Priority override, pump exercising
  • Pump exercising, post purge
  • LED for each zone, priority, end switch and RoomResponse (TM), away signal shared between tekmar thermostats
  • Four ground screws, Top, bottom and back conduit knockouts
  • Fuses protect transformers and pumps
  • Two spare fuses included
  • CSA approved
Agency Approvals CSA C US
Ambient Conditions Indoor use only, 32 to 122 degrees F (0 to 50 degrees C), RH less than or equal to 90 percent non-condensing
Control Load 7 VA
Control Type Microprocessor control, this is not a safety (limit) control
Dimensions 8-3/16" H x 10-11/16" W x 2-3/8" D (208 x 271 x 60 mm)
Enclosure Material Cover: ABS plastic, Base: galvanized steel
Enclosure NEMA Rating NEMA 1
Power Supply 115 V (ac) plus / minus 10 percent, 60 Hz, 11 A
Pump Relay 115 V (ac), 5 A, 1/3 hp, 17.3 A combined