1" Liquid Flow Switch (6" Paddle) Zoom

1" Liquid Flow Switch (6" Paddle)


Brand: Johnson Controls

Johnson Controls
F61KB-11C has been discontinued.
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Brand: Johnson Controls



Application: Liquid Flow
Type: General Purpose
Min Fluid Temp: 32°F
Enclosure Type: NEMA-1
Connection Size: 1"

Description for Johnson Controls F61KB-11C

The F61 Series Flow Switches respond to fluid flow in lines carrying water, ethylene glycol, or other nonhazardous fluids. Two subseries are available. F61 Series Sensitive Flow Switches respond to low fluid flow rates in applications with pipe sizes under 1-inch trade size.

F61 Series Standard Flow Switches use a variety of paddle sizes to respond to fluid flow rates in applications with pipe sizes greater than 1-inch trade size.

Single-Pole, Double-Throw (SPDT) and Single-Pole, Single-Throw (SPST) open-low versions of these flow switches are available.

Features and Benefits

  • NEMA 3 or NEMA 3R Enclosure on Selected Models: Allows use in indoor or outdoor applications
  • Stainless Steel Bellows on Selected Models: Allow use in fluid lines carrying chlorinated water, treated water, or other nonhazardous fluids
  • Low-Flow Operation on Selected (Sensitive) Models: Actuates switch with less than 1.0 GPM (3.8 L/min) flow for water applications or 9.0 GPM (34.1 L/min) flow for steam applications
  • Gold-Plated Contacts on MG Models: Reduces intermittent contact problems in low-voltage and low-current circuits
  • Maximum Fluid Pressure of 150 psig (1034 kPa:Permits use in a wide range of pressure flow conditions

  • Description: F61 Series Flow Switches
  • Max. Fluid Pressure: 150 psig
  • Max Fluid Temperature: 250F
  • Switch: SPDT

1" Liquid Flow Switch (6" Paddle)


by PowerReviews
Johnson Controls1" Liquid Flow Switch (6" Paddle)

(based on 1 review)

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Reviewed by 1 customer

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I would buy this

By rocky

from lake city

Verified Buyer

Comments about 1" Liquid Flow Switch (6" Paddle):

the easiest installation in the market.

  • Primary use:
  • Business

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Q&A: Ask the Questions, share answers

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1 Question | 2 Answers
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  • 1" Liquid Flow Switch (6" Paddle)


    how can a 6" paddle fit in a 2" pipe?
    Asked on 7/23/2011 by clint

    2 answers



      The 6" dimension refers to the paddle's length.

      Answered on 7/27/2011 by PexSupply Staff from NY
    • A:

      This type of water flow switch is installed in a T like 1 1/4", the idea is to install with a close nipples so the paddle comes just short of touching the inside of the T

      Answered on 8/24/2014 by Kingzy from SF East Bay, CA
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