Mercury-Free Thermostat w/ Heat/Off switch, Heat Only


Brand: Honeywell

Mfr Part#: T827K1009

Availability: In Stock
Usually ships: within 1 business day
Qty Price
$20.95 / each
x4 $81.00 / box
(4 x $20.25 / each)
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Heating thermostats provides control of 750 mV or 12 Vdc heating systems.


  • Rated for 12 Vdc and millvoltage systems;
  • Coiled bimetal element operates snap-acting switch;
  • Temperature setting lever on bottom of thermostat;
  • Mounting using two screws through base to wall or vertical outlet box;
  • Temperature setting and thermometer scale on cover.

Technical Specifications:

  • Application: Heat Only;
  • Dimensions (Height x Width x Depth): 4 3/4" x 2 7/8" x 1 3/8" (121mm x 73mm x 35mm);
  • Mounting: Vertical;
  • Stages: 1 Heat;
  • Supply Voltage: 12 Vdc, 750 mV;
  • Sensor Element: Bimetal;
  • Accuracy: ±1°C (±2°F);
  • Color: Premier White;
  • Switching Action: SPST;
  • Setting Temperature Range: 45°F to 95°F;
  • Switch Positions (System): HEAT-OFF;
  • Switch Type: Precision Snap Action;
  • Terminal Designations: R, W.
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