Temperature Controller

  • Item # 279A56
  • My Part #
  • Mfr. Model # T991A1012
  • Catalog Page # N/A
  • UNSPSC # 41112209
Temperature Controller close
To zoom in, use the keyboard to focus on the arrow icon within the product image. Once it receives focus, use the arrow keys on the keyboard to move and position the product image. The zoom feature provides no benefit to users who are blind.

Using 360° Viewing:

  1. Rotate: Use top-to-bottom, side-to-side by use of mouse arrow.
  2. Zoom In: Double click on image.
  3. Zoom Out/Reset: Put photo at full zoom & then double click.

CAD Downloads

Web Price $556.20 / each
Activate Now

to save with

Select AdvantageSM

Please sign in or register to access lists

Please sign in or register to access Quote

Want to Get Free Shipping?

  • Shipping Weight 1.35 lbs.
Country of Origin Mexico Country of Origin is subject to change.
Note: Product availability is real-time updated and adjusted continuously. The product will be reserved for you when you complete your order. More

Technical Specs

  • Item VAV Thermostat
  • Type Modulating Temperature Controller
  • Description Liquid Filled, Copper Capillary 20-ft. Length, with 1/2" dia. x 4-3/16"-Long Bulb
  • Application Remote Bulb Control of Water or Air Temp. in Ducts, Tanks
  • Control Range (F) 0 to 100
  • Input Voltage 24 to 30
  • Number of Relay Outputs 1
  • Output Signal 135 ohm Potentiometer
  • Outputs 1 Proportional
  • Automatic Changeover Deadband (F) Adjustable 3 to 30 Differential
  • Display Analog
  • Enclosure Type Metal Housing
  • Mounting Remote Vertical or Horizontal
  • Height (In.) 5-5/8
  • Width (In.) 2
  • Depth (In.) 2-1/4
  • Color Gray
How can we improve our Technical Specifications?

Compliance and Restrictions

  • Hazardous material - Other Regulated Material

Customer Reviews

Product Reviews Disclaimer:
Grainger is neither responsible for, nor does it endorse, the content of any product review or statement posted. Any statements posted constitute the statements of the poster and are not the statements of Grainger. The statements posted by Grainger employees with the Grainger employee badge represent the views of such employees and are not the statements of Grainger. Grainger makes no representations as to the appropriateness, accuracy, completeness, correctness, currentness, suitability, or validity of any product review or statements posted, including those posted by employees with the Grainger employee badge, and is not liable for any losses, injuries or damages which may result from any such product review or statements. Use of any linked web site provided in a product review or post is at the user's own risk.