Skip Content



  • Item # 3XL01
  • My Part #
  • Mfr. Model # T991A1426
  • Catalog Page # N/A
  • UNSPSC # 41112209
Controller,Temperature close

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

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 1.55 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

Product Details

Restricted: This item is only approved for purchase by Business Accounts.

View More

Technical Specs

  • Item VAV Thermostat
  • Type Modulating Remote Bulb
  • Description Liquid Filled, Copper Capillary 5-ft. Long, with 1/2" Dia. x 4-3/16"-Long Bulb, Includes 8 3/8"-Long Holder for Inserting Sensing Bulb into Duct or Plenum
  • Application Remote Bulb Control of Water or Air Temper. 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

Alternate Products

Alternate Products may not be identical in style or function to original selection. Please compare below for more information.

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.