Sorry, we’ve encountered a problem displaying product pricing. Please Refresh the page.

HVAC and Refrigeration

197 results found that include 197 Products

HVAC and refrigeration equipment helps keep industrial, commercial, and residential facilities properly heated, cooled, and ventilated to maintain a comfortable environment. Heaters provide warmth in the winter. Fans and air conditioners cool off areas in the summer. Air filters help remove dust and other airborne contaminants from the air stream to improve indoor air quality. Thermostats and controls help streamline the operation of HVAC systems to improve their efficiency. Refrigeration supplies are used to maintain refrigerators, air conditioners, and other HVAC equipment that use refrigerant to keep them working as expected.Close

  • FILTER
  • SORT
Show All Selected Filters Show Less Selected Filters
  • Flow Switch, 1" SPDT,  Fits Brand Mcdonnell and Miller

    MCDONNELL & MILLER

    Flow Switch, 1" SPDT, Fits Brand Mcdonnell and Miller

    Item # 35YK561

    Web Price
    $222.00 / each
  • Low Water Cut Out, 1"

    MCDONNELL & MILLER

    Low Water Cut Out, 1"

    Item # 42FJ301

    Web Price
    $555.00 / each
  • Head Mechanism with Snap Switch

    MCDONNELL & MILLER

    Head Mechanism with Snap Switch

    Item # 42FJ131

    Web Price
    $862.00 / each
  • Low Water Cut Out, 1"

    MCDONNELL & MILLER

    Low Water Cut Out, 1"

    Item # 42FJ271

    Web Price
    $642.00 / each
  • Head Mechanism with Snap Switch

    MCDONNELL & MILLER

    Head Mechanism with Snap Switch

    Item # 42FJ211

    Web Price
    $862.00 / each
  • Head Gasket, CO-12,  Fits Brand Multiple

    MCDONNELL & MILLER

    Head Gasket, CO-12, Fits Brand Multiple

    Item # 50PM441

    Web Price
    $11.75 / each
  • Float and Rod Assembly,  Fits Brand Mcdonnell and Miller

    MCDONNELL & MILLER

    Float and Rod Assembly, Fits Brand Mcdonnell and Miller

    Item # 35YK541

    Web Price
    $265.00 / each
  • Flow Switch, 3/4" Tee, High Flow, Speed T

    MCDONNELL & MILLER

    Flow Switch, 3/4" Tee, High Flow, Speed T

    Item # 42FJ321

    Web Price
    $334.00 / each
  • Flow Switch,  Fits Brand Mcdonnell and Miller

    MCDONNELL & MILLER

    Flow Switch, Fits Brand Mcdonnell and Miller

    Item # 35YK571

    Web Price
    $269.00 / each
  • Low Water Cut Out with Probe

    MCDONNELL & MILLER

    Low Water Cut Out with Probe

    Item # 42FJ291

    Web Price
    $301.00 / each
  • Flow Switch, 1" Nema,  Fits Brand Mcdonnell and Miller

    MCDONNELL & MILLER

    Flow Switch, 1" Nema, Fits Brand Mcdonnell and Miller

    Item # 35YK581

    Web Price
    $269.00 / each
  • Low Water Cut Out, 4-1/8" Insertion

    MCDONNELL & MILLER

    Low Water Cut Out, 4-1/8" Insertion

    Item # 42FJ221

    Web Price
    $374.00 / each
  • Electronic Reset, Low Water Cut-Off,  Fits Brand McDonnell and Miller

    MCDONNELL & MILLER

    Electronic Reset, Low Water Cut-Off, Fits Brand McDonnell and Miller

    Item # 161U401

    Web Price
    $199.50 / each
  • Flow Switch, 1/2" SPDT,  Fits Brand Mcdonnell and Miller

    MCDONNELL & MILLER

    Flow Switch, 1/2" SPDT, Fits Brand Mcdonnell and Miller

    Item # 35YK551

    Web Price
    $338.00 / each
  • Head Mechanism,  Fits Brand McDonnell and Miller,  For Use With Mfr. Model Number 64, 144400

    MCDONNELL & MILLER

    Head Mechanism, Fits Brand McDonnell and Miller, For Use With Mfr. Model Number 64, 144400

    Item # 161U321

    Web Price
    $427.00 / each
  • Sensor, Single Level,  Fits Brand McDonnell and Miller

    MCDONNELL & MILLER

    Sensor, Single Level, Fits Brand McDonnell and Miller

    Item # 161U851

    Web Price
    $217.00 / each