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Environmental & Combustion Controls
T812A1002
Premier White 1 Heat Stage Thermostat with W,R terminals for 24 volt control of heating only systems

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Overview
Mechanical thermostats provide control of 24 Vac heat/cool or heat only systems. Models available for 12 Vdc and 750 mV.

Product Prices
Package Type Product Base Price($) Order Quantity
U
1 + $23.72
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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  Back To Top
Description Premier White 1 Heat Stage Thermostat with W,R terminals for 24 volt control of heating only systems
Application Heat Only
Mounting Square
Color Premier White®
Stages 1 Heat
Terminal Designations W, R
Switch Type Snap action
Switching Action SPST
Accuracy (F) ±3 F
Accuracy (C) ±1.5 C
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
Setting Temperature Range (F) 45 to 95
Setting Temperature Range (C) 7 to 35
Electrical Ratings 18 to 30 Vac
Heat Current 1.0A running, 2.5A inrush at 24 Vac
Fan Current 1.0A running, 5A inrush at 24 Vac
Sensor Element Bimetal
Operating Humidity Range (% RH) 5 to 90% RH
Voltage 20 to 30 Vac

Literature and other Resources Download Back To Top
Installation Instructions - (T812 Cover Plate Assembly - English, French, Spanish)
Installation Instructions - (T812 Thermostats - English, Spanish, French)
Product Data - (T8121A Programmable Thermostats)
T812 TS812 24 V Thermostat Main(Photo_BW - Web Quality Image)
T812 TS812 24 V Thermostat Main(Photo_BW - Print Quality Image)
T812 TS812 24 Volt Thermostat Main(Photo_Color - Web Quality Image)
T812 TS812 24 Volt Thermostat Main(Photo_Color - Print Quality Image)
T812 TS812 24 Volt Thermostat Main(Photo_BW - Web Quality Image)
T812 TS812 24 Volt Thermostat Main(Photo_BW - Print Quality Image)
T812 TS812 24 Volt Thermostat Main(Photo_Color - Web Quality Image)
T812 TS812 24 Volt Thermostat Main(Photo_Color - Print Quality Image)
T812 TS812 24V Thermostats Front(Photo_BW - Web Quality Image)
T812 TS812 24V Thermostats Front(Photo_BW - Print Quality Image)
T812 TS812 24V Thermostats Front(Photo_Color - Web Quality Image)
T812 TS812 24V Thermostats Front(Photo_Color - Print Quality Image)
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Thermostat Wiring(LineArt - Web Quality Image)
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