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
    (14)
    $98.99 each
    71
    Wed, Aug 19
    266
    QtyArrives
    71 Wed, Aug 19
    195 Thu, Aug 20
    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)
    $115.99 each
    54
    Wed, Aug 19
    339
    QtyArrives
    54 Wed, Aug 19
    285 Thu, Aug 20
    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)
    $177.99 each
    23
    Wed, Aug 19
    68
    QtyArrives
    23 Wed, Aug 19
    45 Thu, Aug 20
    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)
    $189.99 each
    35
    Wed, Aug 19
    64
    QtyArrives
    35 Wed, Aug 19
    29 Thu, Aug 20
    Questions? Call 1-888-757-4774
    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)
    $171.99 each
    16
    Wed, Aug 19
    36
    QtyArrives
    16 Wed, Aug 19
    20 Thu, Aug 20
    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)
    $198.99 each
    36
    Wed, Aug 19
    44
    QtyArrives
    36 Wed, Aug 19
    8 Thu, Aug 20
    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)
    $15.79 each
    13
    Wed, Aug 19
    27
    QtyArrives
    13 Wed, Aug 19
    14 Thu, Aug 20
    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)
    $322.99 each
    11
    Wed, Aug 19
    21
    QtyArrives
    11 Wed, Aug 19
    10 Thu, Aug 20
    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
    $129.99 each
    6
    Wed, Aug 19
    30
    QtyArrives
    6 Wed, Aug 19
    24 Thu, Aug 20
    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
    $210.57 each
    9
    Thu, Aug 20
    9
    QtyArrives
    9 Thu, Aug 20
    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)
    $203.99 each
    6
    Wed, Aug 19
    10
    QtyArrives
    6 Wed, Aug 19
    4 Thu, Aug 20
    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
    $325.99 each
    6
    Wed, Aug 19
    29
    QtyArrives
    6 Wed, Aug 19
    23 Thu, Aug 20
    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
    $173.78 each
    7
    Wed, Aug 19
    11
    QtyArrives
    7 Wed, Aug 19
    4 Thu, Aug 20
    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
    $144.99 each
    3
    Wed, Aug 19
    19
    QtyArrives
    3 Wed, Aug 19
    16 Thu, Aug 20
    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
    $215.43 each
    2
    Wed, Aug 19
    4
    QtyArrives
    2 Wed, Aug 19
    2 Thu, Aug 20
    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
    $775.17 each
    3
    Wed, Aug 19
    4
    QtyArrives
    3 Wed, Aug 19
    1 Thu, Aug 20
    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
    $365.99 each
    2
    Wed, Aug 19
    11
    QtyArrives
    2 Wed, Aug 19
    9 Thu, Aug 20
    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
    $258.99 each
    5
    Wed, Aug 19
    13
    QtyArrives
    5 Wed, Aug 19
    8 Thu, Aug 20
    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)
    $320.99 each
    5
    Wed, Aug 19
    13
    QtyArrives
    5 Wed, Aug 19
    8 Thu, Aug 20
    Questions? Call 1-888-757-4774
    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)
    $417.99 each
    12
    Thu, Aug 20
    12
    QtyArrives
    12 Thu, Aug 20
    Questions? Call 1-888-757-4774
    Add to List
  • AF1, Air Flow Switch<br>(Med. and High Velocity) Product Image
    Add to List
    Add to List
    AF1, Air Flow Switch (Med. and High Velocity) 122800 AF1, Air Flow Switch (Med. and High Velocity)
    SKU: 122800
    Brand: Mcdonnell & Miller
    $228.91 each
    2
    Wed, Aug 19
    8
    QtyArrives
    2 Wed, Aug 19
    6 Thu, Aug 20
    Questions? Call 1-888-757-4774
    Add to List
  • FS4-3T1-3/4, 3/4" Flow Switch w/ NPT body<br>(High Flow Rate) Product Image
    Add to List
    Add to List
    FS4-3T1-3/4, 3/4" Flow Switch w/ NPT body (High Flow Rate) 114800 FS4-3T1-3/4, 3/4" Flow Switch w/ NPT body (High Flow Rate)
    SKU: 114800
    Brand: Mcdonnell & Miller
    $203.99 each
    4
    Thu, Aug 20
    4
    QtyArrives
    4 Thu, Aug 20
    Questions? Call 1-888-757-4774
    Add to List
  • FS4-3T-25, Paddle Kit<br>for FS4-3T Product Image
    Add to List
    Add to List
    FS4-3T-25, Paddle Kit for FS4-3T 336900 FS4-3T-25, Paddle Kit for FS4-3T
    SKU: 336900
    Brand: Mcdonnell & Miller
    $27.19 each
    Thu, Sep 10 – Thu, Sep 17
    Arrives
    Thu, Sep 10 – Thu, Sep 17
    Questions? Call 1-888-757-4774 or LiveChat Img Chat Us
    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
    $236.00 each
    1
    Thu, Aug 20
    1
    QtyArrives
    1 Thu, Aug 20
    Questions? Call 1-888-757-4774
    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.