Tekmar Controls 303V Zone Control Valve – 3 Zones w/ Priority Bargain

The Tekmar Controls 303V is a zone valve control designed to operate multiple zone valves in a hydronic heating system. It connects to three thermostats to provide heating where needed. The 303V activates a system pump when any zone valve opens, ensuring efficient heat distribution. Zone 1 has the option to control either a valve or a circulator, giving it priority for heating an indirect domestic hot water tank. This model includes features to prevent pump seizure during inactive periods, and it has post-purge capabilities for maximum energy efficiency.

• Control for up to three zones
• Compatible with low voltage thermostats
• Includes two spare fuses for enhanced reliability

Product Highlights

Optimized for hydronic heating systems, the Tekmar Controls 303V provides flexibility and efficiency in managing multiple heating zones.

Product Information

Standard Information

• Brand: Tekmar Controls
• MPN: 303V

Technical Specifications

• Power Supply: 115V AC
• Weight: 4.7 pounds
• Zones Supported: 3
• Temperature Range: 32 to 122 degrees F
• Enclosure Material: ABS plastic cover, galvanized steel base
• Agency Approvals: CSA C US
• Control Type: Microprocessor control
• Fuses: T5A 250 V slow blow, two included