T8665 Chronotherm(R) IV Plus RF Wireless Programmable Thermostat
Provides wireless control of 24 Vac heating and cooling systems. Use with W8665A for single-zone applications or W8665E for zoning applications.

• No wires to thermostat allows easy installation.
• Ideal for retrofit zoning.
• 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.
• Models available with programmable fan operation,
• 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.
• Farenheit or Centigrade 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(TM) 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.

Phone: New Castle, 302-442-7610
Phone: Dover, 302-736-6770
Fax:     302-292-0817
E-mail: KanickiServ@aol.com