Features

• Use with VisionPRO IAQ Thermostats or FocusPRO communicating thermostats.
• Expandable to nine zones with additional W8703 Damper Interface Modules and Thermostats.
• Compatible with conventional gas, oil, electric or heat pump systems up to 3H/2C.
• Unsurpassed ease-of-wiring with only three wires to connect between devices.
• True communicating system using standard thermostat wire.
• Networked zoning enables these features: Time synchronization, Selectable high and low equipment protection settings, Adjustable purge timing and damper positions.
• Telephone access when used with optional W8735D Telephone Access Modules.
• Uses Zone of Greatest Demand Intelligence to reduce system cycling.
• Optional use of two transformers for power when many dampers are needed.