Skip Content

Flow Switch,1 In MNPT 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?

This item has been discontinued and is unavailable for purchase. Check the Alternate Products selection below for options. For more information call 1-800-GRAINGER (1-800-472-4643).

Flow Switch, 1 In MNPT

Price: NA

Activate Now

to save with

Select AdvantageSM

Unavailable for purchase, product discontinued

  • Item # 40G308
  • Mfr. Model # F61KB-11C
  • UNSPSC # 39121538
  • Catalog Page # N/A
  • Shipping Weight 1.75 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 Liquid Flow Switch
  • Type General Purpose Switch
  • Max. HP 1
  • Phase 1
  • Hz 60
  • Min. Flow Rate (GPM) 2.5
  • Max. Flow GPM 760
  • Flow Rate 2.5 to 760
  • Connection Size (In.) 1 MNPT
  • Switch Enclosure NEMA 1
  • Min. Ambient Temp. (F) 32
  • Max. Ambient Temp. (F) 140
  • Min. Fluid Temp. (F) 32
  • Max. Fluid Temp. (F) 250
  • Max. Pressure (PSI) 150
  • Switch Type SPDT
  • Contact Rating 16 A @ 120VAC - Full Load / 125 VA @ 24/277 VAC - Pilot Duty
  • Body Material Bronze
  • Material of Construction Bronze, Galvanized Steel, Stainless Steel
  • Wetted Materials Phosphor Bronze
  • Voltage 120-277
  • For Use With Indicating Fluid Flow with Water, Glycols, and Other Non-Hazardous Liquids
  • Compliance UL / CSA
Megaphone How can we improve our Technical Specifications?

Compliance and Restrictions

Product availability based on selecting either shipping or pick up and a location. Dismiss

Replacement Parts

Need help finding replacement parts? Please use the list below or call 1-800-GRAINGER (1-800-472-4643)

Alternate Products

Alternate Search Terms

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.