Skip Content

Line Volt Mechanical Tstat,125 to 277VAC close
close x

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.
Megaphone How can we improve our Product Images?

Line Volt Mechanical Tstat, 125 to 277VAC

Price $24.44 / each

Activate Now

to save with

Select AdvantageSM

Please sign in or register to access lists

Confirm ZIP Code to determine availability.


Invalid Zip Code


Ship to: (Change)


Invalid Zip Code

  • Item # 4KFV5
  • Mfr. Model # 803A
  • UNSPSC # 41112209
  • Catalog Page # 4220
  • Shipping Weight 0.59 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 Line Volt Mechanical Tstat
  • Switch Type SPST
  • Switch Action Close On Rise
  • Number of Switches 1
  • Control Range 50 Degrees to 90 Degrees F
  • Differential 0 Degrees F
  • Height 5"
  • Width 3-1/4"
  • Depth 2-3/4"
  • Overall Length 5"
  • Temp. Sensitivity +/- 3 Degrees F
  • Sensor Type Bi-Metal
  • Features No Positive Off Position
  • For Use With Cool Only
  • Color White
  • Application Mounts to Standard 2" x 4" Electrical Box
  • Enclosure Type Plastic
  • Input Voltage 125 to 277VAC
  • Voltage Range 125 to 277VAC
  • Inductive Amps @ 120V 1/4 HP
  • Inductive Amps @ 240V 1/3HP
  • Cooling Full Load @ 120V 25A
  • Cooling Full Load @ 240V 25A
  • Full Load Amps @ 120V 15A
  • Full Load Amps @ 240VAC 25A
  • Full Load Amps 25A
  • Contact Rating Resistive @ 120V 25A
  • Resistive Amps @ 208VAC 25A
  • Contact Rating Resistive @ 277V 25A
  • Pilot Duty Contacts (VA) 125VA
  • Mounting Type Vertical
  • Mounting Location Wall
  • Number of Stages 1
  • Standards UL
Megaphone How can we improve our Technical Specifications?

Compliance and Restrictions


Alternate Products

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.