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Honeywell TH115-AF-024T Aube programmable Low Voltage Electric & Floor Heating Thermostat

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The TH115-AF-024T is a low voltage programmable thermostat offering full individual 7 day programming supporting floor and ambient (room) temperature sensing.

This Energy Star compliant thermostat can be programmed with individual settings for each day of the week and is back-lit for easy reading.

  • Pre-programmed or personalized schedule (7 days, 4 settings/day)
  • On/Standby switch
  • 15-minute heating cycles
  • 15-foot (4.5 m) sensor included
Accessories: 15-foot (4.5m) sensor included

*Electric heating - electric heat relay required

   User Guide

   Installation Instructions

Reduce your heating costs, dramatically, by programming the TH115-AF-024T to lower the room temperature, both overnight and while you’re away.   

With a backlit display, this programmable thermostat delivers the most precise, silent temperature control available.


  • Low voltage 3 wire connection required to as thermostat is not battery powered
  • Does NOT support telephone/remote input trigger
  • All settings are retained during a power outage
  • Can use ambient room temperature or floor temperature
  • Includes floor temperature sensor
  • Rated 24V 0.5A
  • 7 Day Programming, 4 times per day
  • Proportional Integral Adaptive (PIA) controller reduces temperature variations providing an accurate temperature control while increasing user comfort
  • Backlit for easy reading
  • Energy Star Compliant
  • Dimensions (H•W•D) 124 x 70 x 23 mm / 4.89 x 2.76 x 0.91 inches
  • 3 Year Manufacturer's warranty

Product Specifications

Application Radiant floor
Dimensions (in.) 4.9 in. X 2.8 in. X 0.9 in.
Dimensions (mm) 124 mm X 70 mm X 23 mm
Used With Aube AC112-01 North American floor sensor, 15 ft. / 4.6 m
Comments With Backlit Display; 15-minute cycles
Item Type Product
Mounting Vertical
Electrical Ratings Maximum Load: 0.5 A/24 Vac
Approvals, Canadian Standards Association      Approved; Compliant to CAN/CSA-C828-06
Electrical Connections 6 in. (150 mm) tinned copper lead wires
Supply Voltage 24 Vac
Switch Positions (System) AF (ambient + floor)/ F (floor only); Display format: F/12 h or C/24h; Early Start function: Enabled or Disabled
Operating Temperature Range (F) 32 F to 120 F
Operating Temperature Range (C) 0 C to 50 C
Power Method Hardwired
Sensor Element Thermistor
Differential Temperature (F) 1 F
Differential Temperature (C) 0.5 C
Color White
Ambient Temperature Range (F) 32 F to 158 F
Ambient Temperature Range (C) 0 C to 70 C
Switch Type External electromechanical relay
Programmability 7 Day program
Terminal Designations R, C, W
Setting Temperature Range (F) 40 F to 86 F room temperature; 40 F to 104 F floor temperature
Setting Temperature Range (C) 5 C to 30 C room temperature; 5 C to 40 C floor temperature
Parts Needed for Operation (not included) - Non-Zoned System Aube RC840/RC840T Series Electromechanical Relays

More Information
ManufacturerHoneywell Limited
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You're reviewing:Honeywell TH115-AF-024T Aube programmable Low Voltage Electric & Floor Heating Thermostat
Units of Measure Weights and measures are KG for weight and CM for dimensions
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