Tekmar TK304V Zone Valve Control, Four Zones with Priority

Product Description

The TEKMAR TK304V Zone Valve Control connects up to four thermostats and operates zone valves to provide heating to a zoned hydronic heating system. The 304V 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.

• Compatible with 2, 3 and 4-wire zone valves, unlimited zone expansion
• Zone priority, priority override
• Pump exercising, post purge

Product Highlights

The TK304V includes optional exercising to prevent circulator seizure and post purge operation to maximize energy savings. It provides a RoomResponse signal to modulating-condensing boilers to optimize comfort while improving boiler efficiency.

Product Information

Standard Information

• Brand: TEKMAR
• Manufacturer Part Number: TK304V

Technical Specifications

• 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, is not a safety/limit control
• Enclosure Material: ABS Plastic, Glavanized Steel
• Enclosure NEMA Rating: NEMA 1
• Markets: Multifamily Homes, Single-Family Homes, Small Commercial Buildings
• Power Supply: 115 V (ac) plus / minus 10 percent, 60 Hz, 11 A
• Pump Relay: 230 V (ac), 5 A, 1/3 hp