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Overview

Basic Thermostats for low voltage control of single-stage heating, cooling or heating-cooling systems.

Features

  • Snap-acting bimetal switch uses no mercury and does not require leveling.
  • Models available for 12 Vdc (T812B) and 750 mV (TS812).
  • Includes dealer logo pocket.

Product Specifications

Application
1 Heat/1 Cool Conventional Systems
Dimensions (in.)
3 1/8 in. high x 3 1/8 in. wide x 7/8 in. deep
Dimensions (mm)
79 mm high x 79 mm wide x 23 mm deep
Item Type
Product
Mounting
Square
Electrical Ratings
18 to 30 Vac
Stages
1 Heat/1 Cool
Operating Humidity Range (% RH)
5 to 90% RH
Supply Voltage
20 to 30 Vac
Switch Positions (System)
OFF-HEAT-COOL
Switch Positions (Fan)
AUTO-ON
Color
Premier White®
Sensor Element
Bimetal
Accuracy (F)
±3 F
Accuracy (C)
±1.5 C
Switching Action
SPDT
Switch Type
Snap action
Terminal Designations
R, W, Y, G
Anticipator Setting
Heating-0.18A to 1.2A @ 30 Vac adjustable; Cooling-0.18A to 1.2A @ 30 Vac adj.
Changeover
Manual
Setting Temperature Range (F)
50 F to 90 F
Setting Temperature Range (C)
10 C to 32 C
Cool Current
1.0A running, 2.5A inrush at 24 Vac
Heat Current
1.0A running, 2.5A inrush at 24 Vac
Fan Current
1.0A running, 5A inrush at 24 Vac
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