Honeywell W8835A1004 2-3 Zone, Three-Stage Heat/ Two-Stage Cool EnviraZone Control Panel, Heat Pump Compatible

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This Product Includes:

About This Product

New advanced zoning control system using the EnviraCom™ communications protocol. The most advanced and easiest to install zoning system in the industry. New control algorithm reduces and regulates plant cycles, decreases damper cycles, and increases efficiency.

Features

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, Shared-filter indication, and Outdoor temperature display in all zones with only one C7089B Outdoor Temperature Sensor connected.
Vacation Hold in all zones.
Selectable high and low equipment protection settings.
Adjustable stage timing.
Adjustable purge timing and damper positions.
Single network can use up to nine T8665A Thermostats and two W8703 Damper Interface Modules to control nine zones.
Telephone access when used with optional W8735B Telephone Access Modules.
Uses Zone of Greatest Demand Intelligence.
Allows use of EnviraCom furnace board or traditional furnace boards.
Optional use of two transformers for power when many dampers are needed.

Product Specifications

Voltage	24 Volts

Heat Pump Compatible	Yes

Stages	3 Heat / 2 Cool

Duel-Fuel Compatible	No

Network Zoning	Yes

Zones	3, Expandable

Individual Zone Fan Control	Yes

Auto Changeover This feature allows the thermostat to automatically switch from heating to cooling based on the temperature inside. This is useful between seasons when heating may be needed at night, and cooling during the day.	Yes

Supply Air Sensor Compatible	Yes

Resettable Fuse	Yes

Emergency Heat Switch	Yes