Non-Programmable Thermostats
T812; TS812 Heating and/or Cooling Thermostats
Basic thermostats for low voltage control of single-stage heating,
cooling or heating-cooling systems.
• Snap-acting bimetal switch uses no mercury and does not require
leveling
• Thermostat is streamlined and economical
• Model available for 12 Vdc (T812B) and 750 mV (TS812)
• Includes dealer logo pocket
Controls
Home
Dimensions, Approximate: 3 1/8 in. high x 3 1/8 in. wide x 7/8 in. deep
(79 mm high x 79 mm wide x 23 mm deep)
Operating Humidity Range (% RH): 5 to 90% RH
Temperature Setting Range: 45 to 95 F (7 to 35 C)
Accuracy: ±3 F (±1.5 C)
Switch Type:
Heating: 1.0A running, 2.5A inrush at 24 Vac
Fan: 1.0A running, 5A inrush at 24 Vac
Sensor Element: Bimetal
Product Number Application
T812A1002/U Heat Only — — SPST W, R 1 Heat 18 to 30 Vac
T812A1010/U Heat Only Positive Off — SPST W, R 1 Heat 18 to 30 Vac
T812B1001/U Heat Only - 12 Vdc Positive Off — SPST W, R 1 Heat 12 Vdc
T812C1000/U 1 Heat/1 Cool Conventional
T812D1009/U Cool Only — — SPST R, Y 1 Cool 18 to 30 Vac
* TS812A1007/U Heat Only - Millivolt Positive Off — SPST R, W 1 Heat 750 mV
* TRADELINE models • SUPER TRADELINE models
Snap action
Systems
Switch Positions
OFF-HEATCOOL
Color: Premier White®
Mounting: Square
Includes: Wallplate, resistor assembly, mounting screws and wall
anchors
Accessories:
50005625-001-Premier White® Cover Plate Assembly 4 3/4 in.
(120 mm) x 4 3/4 in. (120 mm)
Switching
Action
AUTO-ON SPST R, W, Y, G 1 Heat/1 Cool 18 to 30 Vac
Ter min al
Designations Stages Electrical RatingsSystem Fan
70-6910 31