This kit provides wireless control of 24 Vac heating and cooling systems. This wireless kit will operate standard equipment up to one stage of heat and one stage of cool. This kit includes the Honeywell T8665A 1002 Wireless Thermostat and the Honeywell W8665A 1009 Wireless Receiver.

Honeywell T8665A 1002 Features

• No wires to thermostat allows easy installation.
• Use when current thermostat inconveniently located or to add a thermostat to a room addition.
• Easy-to-read large display with bright back-lighting.
• Full seven-day flexible program capability; different schedules and temperature setpoints selectable each day.
• Copy key makes programming easier and faster. Daylight Savings Time (DST) key.
• Easy temporary temperature setpoint changes for current period, vacation hold (1 to 255 days) or indefinite hold.
• Frequently used keys are conveniently located near LCD.
• Configurable features allows one model to replace many different models.
• F or C temperature display.
• Automatic or manual changeover.
• Electric or conventional heat fan operation.
• Adjustable heating cycle rate.
• Minimum-off time for cooling compressors and heat pumps protects equipment.
• Easy installation, setup and system test.
• System test simplifies troubleshooting and saves time by overriding time delays.
• Adaptive Intelligent Recovery control brings room temperature to temperature setpoint at programmed time.
• Setpoints are permanently held in memory (no batteries used) and retained during power outages.
• Adjustable temperature range stops.

Honeywell W8665A 1009 Features

• W8665A can be used with 1H/1C single-zone conventional applications.