Pros, Join Our TradeMaster Program!
Mcdonnell & Miller Flow Switches

Mcdonnell & Miller Flow Switches

  • FS251, General Purpose Flow Switch w/ NEMA 1 Encl. Product Image
    Add to List
    Add to List
    FS251, General Purpose Flow Switch w/ NEMA 1 Encl. 120611 FS251, General Purpose Flow Switch w/ NEMA 1 Encl.
    SKU: 120611
    Brand: Mcdonnell & Miller
    (15)
    $97.99 each
    102
    Mon, Apr 26
    102
    QtyArrives
    102 Mon, Apr 26
    Questions? Call 1-888-757-4774
    Add to List
  • FS4-3, 1" General Purpose Flow Switch - Paddle Style Product Image
    Add to List
    Add to List
    FS4-3, 1" General Purpose Flow Switch - Paddle Style 114400 FS4-3, 1" General Purpose Flow Switch - Paddle Style
    Contains Lead
    SKU: 114400
    Brand: Mcdonnell & Miller
    (5)
    $119.58 each
    128
    Mon, Apr 26
    128
    QtyArrives
    128 Mon, Apr 26
    Questions? Call 1-888-757-4774
    Add to List
  • FS254, General Purpose Flow Switch w/ NEMA 4 Encl. (Replaces FS8-W) Product Image
    Add to List
    Add to List
    FS254, General Purpose Flow Switch w/ NEMA 4 Encl. (Replaces FS8-W) 120610 FS254, General Purpose Flow Switch w/ NEMA 4 Encl. (Replaces FS8-W)
    SKU: 120610
    Brand: Mcdonnell & Miller
    (7)
    $187.03 each
    174
    Mon, Apr 26
    174
    QtyArrives
    174 Mon, Apr 26
    Questions? Call 1-888-757-4774
    Add to List
  • FS5-3/4, 3/4" Flow Switch Product Image
    Add to List
    Add to List
    FS5-3/4, 3/4" Flow Switch 114760 FS5-3/4, 3/4" Flow Switch
    SKU: 114760
    Brand: Mcdonnell & Miller
    (3)
    $205.95 each
    Mon, May 24 – Tue, Jun 22
    Arrives
    Mon, May 24 – Tue, Jun 22
    Questions? Call 1-888-757-4774 or LiveChat Img Chat Us
    Add to List
  • FS1, 1/2" Flow Switch Product Image
    Add to List
    Add to List
    FS1, 1/2" Flow Switch 113200 FS1, 1/2" Flow Switch
    SKU: 113200
    Brand: Mcdonnell & Miller
    (3)
    $172.25 each
    51
    Mon, Apr 26
    51
    QtyArrives
    51 Mon, Apr 26
    Questions? Call 1-888-757-4774
    Add to List
  • FS4-15SS, Stainless Steel Paddle Kit<br>w/ 1", 2" 3", & 6" Paddle Product Image
    Add to List
    Add to List
    FS4-15SS, Stainless Steel Paddle Kit w/ 1", 2" 3", & 6" Paddle 310451 FS4-15SS, Stainless Steel Paddle Kit w/ 1", 2" 3", & 6" Paddle
    SKU: 310451
    Brand: Mcdonnell & Miller
    (1)
    $16.10 each
    31
    Mon, Apr 26
    31
    QtyArrives
    31 Mon, Apr 26
    Questions? Call 1-888-757-4774
    Add to List
  • FS6-3/4, 3/4" Flow Switch High Sensitivity Product Image
    Add to List
    Add to List
    FS6-3/4, 3/4" Flow Switch High Sensitivity 115400 FS6-3/4, 3/4" Flow Switch High Sensitivity
    SKU: 115400
    Brand: Mcdonnell & Miller
    (8)
    $348.39 each
    22
    Mon, Apr 26
    22
    QtyArrives
    22 Mon, Apr 26
    Questions? Call 1-888-757-4774
    Add to List
  • FS5-1, 1" Flow Switch Product Image
    Add to List
    Add to List
    FS5-1, 1" Flow Switch 114780 FS5-1, 1" Flow Switch
    SKU: 114780
    Brand: Mcdonnell & Miller
    (6)
    $205.95 each
    33
    Mon, Apr 26
    33
    QtyArrives
    33 Mon, Apr 26
    Questions? Call 1-888-757-4774
    Add to List
  • 11 -No.11 Switch Product Image
    Add to List
    Add to List
    11 -No.11 Switch 309100 11 -No.11 Switch
    SKU: 309100
    Brand: Mcdonnell & Miller
    $121.79 each
    25
    Mon, Apr 26
    25
    QtyArrives
    25 Mon, Apr 26
    Questions? Call 1-888-757-4774
    Add to List
  • 7B-1R, Resistor for 7B Switch w/ SA7-3 Wire Kit Product Image
    Add to List
    Add to List
    7B-1R, Resistor for 7B Switch w/ SA7-3 Wire Kit 309000 7B-1R, Resistor for 7B Switch w/ SA7-3 Wire Kit
    SKU: 309000
    Brand: Mcdonnell & Miller
    $162.35 each
    24
    Mon, Apr 26
    24
    QtyArrives
    24 Mon, Apr 26
    Questions? Call 1-888-757-4774
    Add to List
  • FS4-3S, 1" Flow Switch<br>w/ Stainless Steel Body<br>Monel Bellows Product Image
    Add to List
    Add to List
    FS4-3S, 1" Flow Switch w/ Stainless Steel Body Monel Bellows 114641 FS4-3S, 1" Flow Switch w/ Stainless Steel Body Monel Bellows
    SKU: 114641
    Brand: Mcdonnell & Miller
    $436.36 each
    8
    Mon, Apr 26
    8
    QtyArrives
    8 Mon, Apr 26
    Questions? Call 1-888-757-4774
    Add to List
  • AF3, Air Flow Switch<br>(Low Velocity) Product Image
    Add to List
    Add to List
    AF3, Air Flow Switch (Low Velocity) 123400 AF3, Air Flow Switch (Low Velocity)
    SKU: 123400
    Brand: Mcdonnell & Miller
    $160.46 each
    2
    Mon, Apr 26
    2
    QtyArrives
    2 Mon, Apr 26
    Questions? Call 1-888-757-4774
    Add to List
  • FS6-1, 1" Flow Switch<br>High Sensitivity Product Image
    Add to List
    Add to List
    FS6-1, 1" Flow Switch High Sensitivity 115600 FS6-1, 1" Flow Switch High Sensitivity
    SKU: 115600
    Brand: Mcdonnell & Miller
    (1)
    $345.09 each
    11
    Mon, Apr 26
    11
    QtyArrives
    11 Mon, Apr 26
    Questions? Call 1-888-757-4774
    Add to List
  • FS7-4, 1-1/4" Flow Switch Paddle Style Product Image
    Add to List
    Add to List
    FS7-4, 1-1/4" Flow Switch Paddle Style 119700 FS7-4, 1-1/4" Flow Switch Paddle Style
    SKU: 119700
    Brand: Mcdonnell & Miller
    $333.33 each
    7
    Mon, Apr 26
    7
    QtyArrives
    7 Mon, Apr 26
    Questions? Call 1-888-757-4774
    Add to List
  • FS4-3T3-1, 1" Flow Switch w/ NPT body<br>(Low Flow Rate) Product Image
    Add to List
    Add to List
    FS4-3T3-1, 1" Flow Switch w/ NPT body (Low Flow Rate) 115300 FS4-3T3-1, 1" Flow Switch w/ NPT body (Low Flow Rate)
    SKU: 115300
    Brand: Mcdonnell & Miller
    (2)
    $209.12 each
    4
    Mon, Apr 26
    4
    QtyArrives
    4 Mon, Apr 26
    Questions? Call 1-888-757-4774
    Add to List
  • FS4-3D, 1" Flow Switch<br>4-3 W/2 SPDT Switches Product Image
    Add to List
    Add to List
    FS4-3D, 1" Flow Switch 4-3 W/2 SPDT Switches 114550 FS4-3D, 1" Flow Switch 4-3 W/2 SPDT Switches
    SKU: 114550
    Brand: Mcdonnell & Miller
    $217.96 each
    17
    Mon, Apr 26
    17
    QtyArrives
    17 Mon, Apr 26
    Questions? Call 1-888-757-4774
    Add to List
  • AFE-1, Air flow switch (NEMA 7 & 9) Product Image
    Add to List
    Add to List
    AFE-1, Air flow switch (NEMA 7 & 9) 123010 AFE-1, Air flow switch (NEMA 7 & 9)
    SKU: 123010
    Brand: Mcdonnell & Miller
    $781.38 each
    9
    Mon, Apr 26
    9
    QtyArrives
    9 Mon, Apr 26
    Questions? Call 1-888-757-4774
    Add to List
  • AF1-S, Air Flow Switch<br>w/ Stainless Steel Paddle (Med. & High Velocity) Product Image
    Add to List
    Add to List
    AF1-S, Air Flow Switch w/ Stainless Steel Paddle (Med. & High Velocity) 123000 AF1-S, Air Flow Switch w/ Stainless Steel Paddle (Med. & High Velocity)
    SKU: 123000
    Brand: Mcdonnell & Miller
    $263.33 each
    27
    Mon, Apr 26
    27
    QtyArrives
    27 Mon, Apr 26
    Questions? Call 1-888-757-4774
    Add to List
  • AF3-D, Air Flow Switch<br>w/ 2 SPDT Snap Switches<br>(Low Velocity) Product Image
    Add to List
    Add to List
    AF3-D, Air Flow Switch w/ 2 SPDT Snap Switches (Low Velocity) 123450 AF3-D, Air Flow Switch w/ 2 SPDT Snap Switches (Low Velocity)
    SKU: 123450
    Brand: Mcdonnell & Miller
    $252.07 each
    Mon, May 24 – Tue, Jun 22
    Arrives
    Mon, May 24 – Tue, Jun 22
    Questions? Call 1-888-757-4774 or LiveChat Img Chat Us
    Add to List
  • FS7-4W, 1-1/4" Flow Switch w/ NEMA 4X enclosure Product Image
    Add to List
    Add to List
    FS7-4W, 1-1/4" Flow Switch w/ NEMA 4X enclosure 120201 FS7-4W, 1-1/4" Flow Switch w/ NEMA 4X enclosure
    SKU: 120201
    Brand: Mcdonnell & Miller
    (1)
    $428.88 each
    4
    Mon, Apr 26
    4
    QtyArrives
    4 Mon, Apr 26
    Questions? Call 1-888-757-4774
    Add to List
  • FS4-3T2-3/4, 3/4" Flow Switch w/ NPT body<br>(Medium Flow Rate) Product Image
    Add to List
    Add to List
    FS4-3T2-3/4, 3/4" Flow Switch w/ NPT body (Medium Flow Rate) 114900 FS4-3T2-3/4, 3/4" Flow Switch w/ NPT body (Medium Flow Rate)
    SKU: 114900
    Brand: Mcdonnell & Miller
    $217.68 each
    1
    Mon, Apr 26
    1
    QtyArrives
    1 Mon, Apr 26
    Questions? Call 1-888-757-4774
    Add to List
  • FS4-3T1-1, 1" Flow Switch w/ NPT body<br>(High Flow Rate) Product Image
    Add to List
    Add to List
    FS4-3T1-1, 1" Flow Switch w/ NPT body (High Flow Rate) 115100 FS4-3T1-1, 1" Flow Switch w/ NPT body (High Flow Rate)
    SKU: 115100
    Brand: Mcdonnell & Miller
    $203.67 each
    1
    Mon, Apr 26
    1
    QtyArrives
    1 Mon, Apr 26
    Questions? Call 1-888-757-4774
    Add to List
  • FS1-17, Replacement Switch for Flow Switches Product Image
    Add to List
    Add to List
    FS1-17, Replacement Switch for Flow Switches 304300 FS1-17, Replacement Switch for Flow Switches
    SKU: 304300
    Brand: Mcdonnell & Miller
    $68.89 each
    1
    Mon, Apr 26
    1
    QtyArrives
    1 Mon, Apr 26
    Questions? Call 1-888-757-4774
    Add to List
  • FS4-3T3-3/4, 3/4" Flow Switch w/NPT body<br>(Low Flow Rate) Product Image
    Add to List
    Add to List
    FS4-3T3-3/4, 3/4" Flow Switch w/NPT body (Low Flow Rate) 115000 FS4-3T3-3/4, 3/4" Flow Switch w/NPT body (Low Flow Rate)
    SKU: 115000
    Brand: Mcdonnell & Miller
    (1)
    $209.12 each
    Mon, May 24 – Tue, Jun 22
    Arrives
    Mon, May 24 – Tue, Jun 22
    Questions? Call 1-888-757-4774 or LiveChat Img Chat Us
    Add to List
  • Product Image

  • Product Image

    Select 2 to 3 items to compare

  • Product Image

    Compare up to 1 more item

Why don't we show the price of this item?

We try to always offer you the lowest prices possible, but some manufacturers require that we only show these low prices once you take further action.

To see the price, simply add the item to your cart or sign in.