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Honeywell T8665 Chronotherm Wireless Thermostat System
Features a Backlit Display and Improved Readability

4.25 Star Rating: Excellent  Read all 2 reviews   Write a review

T8665 Honeywell Honeywell Thermostat

Availability: IN STOCK - Ships today if ordered by 12:00PM(PST)


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List Price . . . . $499.95
Price Break: . . -$140.00
OUR PRICE: . . . . $359.95





Qty:



Optional Accessories:

Qty: Optional Universal Lockbox $24.95
Qty: 3-Zone Capable System $207.90

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Description

The Honeywell T8665 chonotherm wireless thermostat features zoning features that are available when more than one thermostat is used with the Honeywell W8665E RF Zone Panel. It is a multi-functional thermostat that can be used in single as well as multi-zone applications.

Unique Schedules Every Day
The Honeywell T8665 chonotherm wireless thermostat features 7 day programming so that each day can have unique heating and cooling schedules.

Retains Scheduling for Life
For the entire life of the T8665 programmable thermostat, the scheduling will be retained.

Improved Readability
For improved readability, this thermostat includes backlighting on demand.

Control at the Touch of a Button
The current setpoints and the time can be displayed at the touch of a button.

The Honeywell W8665E RF Zone Panel must be purchased separately.

Specifications

  • Model: Honeywell T8665
  • Product Type: Chronotherm wireless thermostat
  • Product Dimensions: 1.56'' L x 6.06'' W x 3.5'' H
  • Product Weight: 1 lb.
  • Product Color: White
  • Temperature Settings Per Day: 4
  • Programs Per Week: 7
  • System Switching: Heat-Off-Cool-Auto
  • Fan Switching: On-Auto
  • Remote Sensing Capability: Indoor Remote
  • Power Method: Battery:
  • Voltage (AC): 18 to 30
  • Mounting: Horizontal
  • Control Range: 40 F to 99 F
  • Warranty: 1 year warranty
  • Controls 24 vac heating and cooling systems
  • Mounts up to 200 feet away from the receiver
  • Features 7 day programming
  • Comes with a daylight savings time key that only needs 1 touch for activation
  • Compatible with dual transformers and features a programmable fan

Benefits

  • The zoning features on this thermostat are available when more than one T8665 is used with the W8665E RF zone panel
  • At the press of a button, the information key can bring up current set points
  • You can set the thermostat higher or lower for current conditions using temporary schedule override

Honeywell T8665 Manual

Real Customer Testimonials

Name: rjmd
Date: 03/02/2010
Location: Potomac, MD
Item: Honeywell T8665 Honeywell Thermostat
Overall Rating: 5 Star Rating: Outstanding

Home builder placed upstairs thermostat in attic area creating wild fluctuations in temperature in master bedroom on 2nd floor. The Honeywell T8665 was used to remote furnace control to the master bedroom creating a significantly more uniform environment. The quality of the unit is excellent -- typical of Honeywell thermostat products. Since the unit replaced a 4-wire controller, it was necessary to add an additional ground wire (using unused wire in harness to controller) to provide power to the radio frequency circuitry in the fixed control assembly. Cost savings are very measurable and wife is much happier! Great product.
Name: John Labadie
Date: 01/31/2009
Location: McMillan, MI
Item: Honeywell T8665 Honeywell Thermostat
Overall Rating: 3.5 Star Rating: Average

I have been very satisfied with this unit and is very easy to use and program. We had to call once for product support and was very easy and straighforward information to follow.

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What is an example of how this thermostat system us used???

If Your current thermostat is located next to a heating vent, the heating system may shut off prematurely before your bedroom reaches the desired temperature. Solution: Place the T8665A thermostat in your room (the wireless module (W8665A) is installed in-place of the old thermostat) and the heating system will be regulated by location of the T8665A thermostat in your room, instead of the location of the previous thermostat.

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