McDonnell & Miller

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McDonnell & Miller specializes in manufacturing water level controls and flow switches for boilers and steam systems. They offer a wide range of products designed to ensure proper operation and safety in commercial and industrial applications. McDonnell & Miller products are known for their reliability, accuracy, and durability. Whether you need a low water cutoff switch for a boiler or a pump control for a cooling tower, McDonnell & Miller has the solution for you. Trust McDonnell & Miller to provide high-quality water level controls and flow switches that meet the needs of your system.
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  • McDonnell & Miller 120610 FS-254 – 1" NPT General Purpose Flow Switch with NEMA 4 Enclosure
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    McDonnell & Miller

    SKU: 120610

    120610

    $422.44
    15 in stock
  • McDonnell & Miller 120611 FS251 – 1" NPT General Purpose Flow Switch with NEMA 1 Enclosure
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    McDonnell & Miller

    SKU: 120611

    120611

    $199.99
    5 in stock
  • McDonnell & Miller 113200 FS1 – ½" NPT High Sensitivity Flow Switch
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    McDonnell & Miller

    SKU: 113200

    113200

    $361.02
    1 in stock
  • McDonnell & Miller 354401 EA-RS Electrode Assembly
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    McDonnell & Miller

    SKU: 354401

    354401

    $173.77
    2 in stock
  • McDonnell & Miller 354106 EA-157-S – Short Electrode for 157S-RBP
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    McDonnell & Miller

    SKU: 354106

    354106

    $310.84
    1 in stock
  • McDonnell & Miller 354107 EA-157-L – Long Electrode for 157S-RBP
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    McDonnell & Miller

    SKU: 354107

    354107

    $310.84
    3 in stock
  • McDonnell & Miller 165300 94-HD – Replacement Head Mechanism for Series 94 & 194
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    McDonnell & Miller

    SKU: 165300

    165300

    $2,196.07
    1 in stock
  • McDonnell & Miller 166400 94-7B-HD – Replacement Head Mechanism with 7B Switch for Series 94 & 194
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    McDonnell & Miller

    SKU: 166400

    166400

    $2,999.99
    1 in stock
  • McDonnell & Miller 162500 93M – High Pressure Level Control
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    McDonnell & Miller

    SKU: 162500

    162500

    $2,017.06
    2 in stock
  • McDonnell & Miller 162400 93-HD
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    McDonnell & Miller

    SKU: 162400

    162400

    $1,781.12
    2 in stock
  • McDonnell & Miller 163200 93-7B-HD – Replacement Head Assembly for 93-7B Low Water Cutoff
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    McDonnell & Miller

    SKU: 163200

    163200

    $2,628.24
    1 in stock
  • McDonnell & Miller 163000 93-7B – Float-Type Low Water Cutoff & Pump Controller (Steam)
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    McDonnell & Miller

    SKU: 163000

    163000

    $2,616.26
    3 in stock

For emergencies, outside of business hours, call #901-604-7069