Tekmar 306V - Zone Valve Control, Six Zones with Priority

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SKU: 306V
Regular price $232.55

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Tekmar 306V Installation & Operation Manual

Tekmar 306V - Zone Valve Control, Six Zones with Priority

The Zone Valve Control 306V connects up to six thermostats and operates zone valves to provide heating to a zoned hydronic heating system. The 306V operates a system pump whenever a zone valve opens. Zone 1 can operate either a zone valve or a circulator to provide heat to an indirect domestic hot water tank with optional priority over zones 2 through 6. The 306V includes optional exercising to prevent circulator seizure when not in use, and optional post purge operation of the domestic hot water tank to maximize energy savings. The 306V provides a RoomResponse™ signal to modulating-condensing boilers to optimize comfort while improving boiler efficiency.


  • Pump exercising, post purge
  • CSA approved
  • Fuses protect transformers and pumps
  • Compatible with 2, 3 and 4-wire zone valves, unlimited zone expansion
  • Four ground screws, Top, bottom and back conduit knockouts
  • LED for each zone, priority, end switch and RoomResponse™, away signal shared between tekmar thermostats
  • RoomResponse™ signal, compatible with all low voltage thermostats
  • Two spare fuses included
  • Zone priority, priority override


  • 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
  • End Switch Relay: Boiler, DHW 24 V (ac), 5 A
  • Fuses: T5A 250 V slow blow, two spare fuses included
  • Mod Boiler Output1: 0-10 V (dc) 500 ohms min load impedance
  • Mod Boiler Output2: 4-20 mA 1 k ohms max load impedance
  • Power Supply: 115 V (ac) plus / minus 10 percent, 60 Hz, 11 A
  • System Pump: 230 V (ac), 5 A, 1/3 hp
  • Transformer: 24 V (ac), 80 VA
  • Zoning - Thermostat Type: Zone Valve Control

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