Honeywell W8665A Wireless Full 7 Day Program Thermostat System

5.0 Star Rating: Outstanding
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Honeywell W8665A Wireless Full 7-day Program Thermostat System
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List Price: $220.99
Price Break: -$51.00
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The Honeywell W8665A wireless full 7 day program thermostat system supports conventional gas, oil, or electric applications. Operating a single-stge thermostat system, it includes a full 7 day programmable cycle. Different schedules and temperature setpoints may be selected for everyday to fit any need. The copy key makes programming easier and faster, and daylight savings time key for quick changes when you Fall back and Spring forward.

Guaranteed Satisfaction.

  1. 1 year limited manufacturer's warranty
  2. Up to 30 days to return your purchase
  3. Money back guaranteed
  4. Free return shipping
  5. No restocking fees


  • Model: W8665A
  • UPC: 085267213806
  • Product Type: Wireless Full 7-day Program Thermostat System
  • Application: Controls single stage thermostats
  • Heating/Cooling System Type: Gas Furnace , Boiler & Oil Fired , Electric Heat & Cooling
  • Voltage Type: Line Voltage
  • Programmable: Yes
  • Control Type: Push Button
  • Digital Display: Yes
  • Color Display: Yes
  • Backlit Digital Display: Yes
  • Temperature Displayed: Current & Setpoint
  • Cooling Only: No
  • Heating Only: No
  • Multi -Stage: No
  • Single Stage: Yes
  • Program Type: 7 Day
  • Mounting: Horizontal
  • Power Method: Battery
  • Wireless: Yes


  • Adjustable range stops
  • Back lighting the large display makes the LCD very easy to read
  • Easy temporary temperature setpoint changes
  • Full seven day program capability
  • Programmable fan operation for added comfort
  • Wireless for your convenience

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5.0 Star Rating: Outstanding
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from Salinas, CA
5.0 Star Rating: Outstanding
The kit was great! Complete and easy to install, they have worked extremely well for the application I was looking for. Everything was well described, arrived quickly, and worked perfectly.