Skip to Main Content

Featured Categories

  • Tools & Machining
  • Storage & Workspace
  • Electrical Supplies
  • Grounds & Outdoor

Shop Categories

  • About Us
  • Promo Codes
  • Contact Us
FREE Shipping on orders over $50 after you .
Zoro Homepage
Zoro Homepage

Recent Searches

    Recently Viewed

    customer-service Help
    cart ... Cart

    MIDWEST INSTRUMENT

    Filter
    Filter
    Test Instruments & Gauges (292)
    Plumbing (14)
    SEE ALL
    ​
    $
    to
    ​
    $
    SEE ALL
    + 18 MORE FILTERS
    306 Results (Showing 1 - 36)
    ​
    Relevance
    306 results
    MIDWEST INSTRUMENT Backflow Preventer Test Kit, 5 Valves
    Mfr # 845-5
    Key Features:
    Item: Backflow Preventer Test Kit, 5 Valve
    Includes: (3) 5ft Hoses, Analog test Gauge, Carrying Case, Certificate of Calibration., Clear 4 ft Bleed Tube, NPT Adapter Fittings (Set of 12), Pressure Gauge
    For Use With: 34CU37, 34CU38, 34CU39, 34CU41, Grainger Items 34CU36
    $968.35
    11% off
    $858.85
    MIDWEST INSTRUMENT Test Cock Adapter Kit
    Mfr # 110706
    Key Features:
    Item: Test Cock Adapter Kit
    Includes: Contains Three 1/4 in NPT 90 Degrees Swivel Quick Connect ADPT x 1/4 in Flare, Three 1/2 in NPT Quick Connect x 1/4 in FNPT ADPT, Three 3/4 in NPT Quick Connect x 1/4 in FNPT ADPT,and 3 Spare O-Rings
    For Use With: 34CU33, 34CU34, 34CU35, 6AJV6
    $276.82
    MIDWEST INSTRUMENT Test Cock Adapter Kit
    Mfr # 110617
    Key Features:
    Item: Test Cock Adapter Kit
    Includes: All Come with 3 Spare O-Rings, Contains Three 1/4 in NPT Quick Connect ADPT x 1/4 in Flare, Three 1/2 in NPT Quick Connect x 1/4 in FNPT ADPT, Three 3/4 in NPT Quick Connect x 1/4 in FNPT ADPT
    For Use With: 34CU33, 34CU34, 34CU35, 6AJV6
    $286.60
    MIDWEST INSTRUMENT Backflow Test Kit Hose for 835,845-5,847
    Mfr # 110646
    Key Features:
    Item: Backflow Test Kit Replacement Hose
    Includes: (3) Replacement Hoses
    For Use With: Grainger Item 34CU33
    $314.39
    MIDWEST INSTRUMENT Test Cock Adapter Kit
    Mfr # 110631
    Key Features:
    Item: Test Cock Adapter Kit
    Includes: (3) 1/4 in NPT Quick Connect ADPT x 1/4 in Flare and 3 Spare O-Rings
    For Use With: 34CU33, 34CU34, 34CU35, 6AJV6
    $115.45
    MIDWEST INSTRUMENT Pressure Gauge, 0 to 20 psi
    Mfr # 120-AA-00-OO-20P
    Key Features:
    Differential Pressure Gauge Type: Differential Pressure Gauge
    Gauge Nominal Dial Size: 2-1/2 in
    Basic Gauge Case Material: Metal
    $235.07
    MIDWEST INSTRUMENT Pressure Indicator, 0 to 15 psi
    Mfr # 555A-15.0
    Key Features:
    Differential Pressure Gauge Type: Differential Pressure Indicator
    Basic Gauge Case Material: Metal
    Basic Gauge Wetted Parts: Buna-N
    $81.59
    MIDWEST INSTRUMENT Pressure Indicator, 0 to 30 psi
    Mfr # 555A-30.0
    Key Features:
    Differential Pressure Gauge Type: Differential Pressure Indicator
    Basic Gauge Case Material: Metal
    Basic Gauge Wetted Parts: Buna-N
    $88.06
    MIDWEST INSTRUMENT Pressure Gauge, 0 to 10 psi
    Mfr # 142-AA-00-OO-10P
    Key Features:
    Differential Pressure Gauge Type: Differential Pressure Gauge
    Gauge Nominal Dial Size: 2-1/2 in
    Basic Gauge Case Material: Metal
    $341.88
    MIDWEST INSTRUMENT Backflow Preventer Test Kit, Model 835
    Mfr # 835
    Key Features:
    Item: Backflow Preventer Test Kit, 5 Valve
    Includes: (3) 5ft Hoses, Analog test Gauge, Carrying Case, Certificate of Calibration., Clear 4 ft Bleed Tube, NPT Adapter Fittings (Set of 12), Pressure Gauge
    For Use With: 34CU36, 34CU37, 34CU38, 34CU39, 34CU41
    $1,871.32
    MIDWEST INSTRUMENT Pressure Gauge, 0 to 75 psi
    Mfr # 120-AA-00-OO-75P
    Key Features:
    Differential Pressure Gauge Type: Differential Pressure Gauge
    Gauge Nominal Dial Size: 2-1/2 in
    Basic Gauge Case Material: Metal
    $208.77
    MIDWEST INSTRUMENT Backflow Preventer Test Kit, Model 830
    Mfr # 830
    Key Features:
    Item: Backflow Preventer Test Kit, 5 Valve
    Includes: (3) 5ft Hoses, Analog test Gauge, Carrying Case, Certificate of Calibration., Clear 4 ft Bleed Tube, NPT Adapter Fittings (Set of 12), Pressure Gauge
    For Use With: 34CU36, 34CU37, 34CU38, 34CU40, 34CU41
    $1,535.33
    MIDWEST INSTRUMENT Pressure Gauge, 0 to 10 In H2O
    Mfr # 130-0111
    Key Features:
    Differential Pressure Gauge Type: Differential Pressure Gauge
    Gauge Nominal Dial Size: 4-1/2 in
    Basic Gauge Case Material: Plastic
    $674.96
    MIDWEST INSTRUMENT Test Cock Adapter Kit
    Mfr # 110705
    Key Features:
    Item: Test Cock Adapter Kit
    Includes: Contains Three 1/4 in NPT Quick Connect ADPT x 1/4 in Flare 90 Degree Swivel Fitting and Three Spare O-Rings
    For Use With: 34CU33, 34CU34, 34CU35, 6AJV6
    $184.80
    MIDWEST INSTRUMENT Bleed-Off Valve Assembly-6AJV7
    Mfr # 830-0001
    Key Features:
    Item: Bleed-Off Valve Assembly
    For Use With: 34CU33, 34CU34, 34CU35, 6AJV6
    Product Type: Bleed-Off Valve Assembly
    $199.84
    MIDWEST INSTRUMENT Backflow Quick Connect 3/4in NPT x 1/4in
    Mfr # 110704
    Key Features:
    Item: Backflow Quick Connect Adapter
    Includes: (3) 3/4 in NPT Quick Connect ADPT x 1/4 in Flare and 3 Spare O-Rings
    For Use With: 34CU33, 34CU34, 34CU35, 6AJV6
    $109.37
    MIDWEST INSTRUMENT Pressure Indicator, 0 to 25 psi
    Mfr # 555A-25.0
    Key Features:
    Differential Pressure Gauge Type: Differential Pressure Indicator
    Basic Gauge Case Material: Metal
    Basic Gauge Wetted Parts: Buna-N
    $98.09
    MIDWEST INSTRUMENT Backflow Quick Connect 1/2in NPT x 1/4in
    Mfr # 110703
    Key Features:
    Item: Backflow Quick Connect Adapter
    Includes: (3) 1/2 in NPT Quick Connect ADPT x 1/4 in Flare and 3 Spare O-Rings
    For Use With: 34CU33, 34CU34, 34CU35, 6AJV6
    $126.27
    MIDWEST INSTRUMENT Verticle Tube Kit
    Mfr # 830-0003
    Key Features:
    Item: Verticle Tube kit
    Includes: One 15 x 1/2 in Diameter Tube/Test Cock Adapter Assembly and One 15 x 1/2 in Diameter Extension Tube
    For Use With: 34CU33, 34CU34, 34CU35, 6AJV6
    $105.34
    MIDWEST INSTRUMENT Pressure Gauge, 0 to 15 psi
    Mfr # 120-SA-00-OO-15P
    Key Features:
    Differential Pressure Gauge Type: Differential Pressure Gauge
    Gauge Nominal Dial Size: 2-1/2 in
    Basic Gauge Case Material: Metal
    $401.83
    MIDWEST INSTRUMENT Pressure Gauge, 0 to 100 psi
    Mfr # 120-AA-00-OO-100P
    Key Features:
    Differential Pressure Gauge Type: Differential Pressure Gauge
    Gauge Nominal Dial Size: 2-1/2 in
    Basic Gauge Case Material: Metal
    $210.19
    MIDWEST INSTRUMENT Pressure Gauge, 0 to 5 psi
    Mfr # 120-SA-00-OO-5P
    Key Features:
    Differential Pressure Gauge Type: Differential Pressure Gauge
    Gauge Nominal Dial Size: 2-1/2 in
    Basic Gauge Case Material: Metal
    $319.48
    MIDWEST INSTRUMENT Pressure Gauge, 0 to 100 psi
    Mfr # 140-AC-00-OO-100P
    Key Features:
    Differential Pressure Gauge Type: Differential Pressure Gauge
    Gauge Nominal Dial Size: 4-1/2 in
    Basic Gauge Case Material: Metal
    $424.92
    MIDWEST INSTRUMENT Gauge 3-Color Filter Change DP
    Mfr # 522A-010V
    Key Features:
    Series: 522
    Item: 3-Color Differential Pressure Indicator
    IP/NEMA Rating: NEMA 4X
    $178.12
    MIDWEST INSTRUMENT Pressure Gauge, 0 to 30 In H2O
    Mfr # 142-SC-00-OO-30H
    Key Features:
    Differential Pressure Gauge Type: Differential Pressure Gauge
    Gauge Nominal Dial Size: 4-1/2 in
    Basic Gauge Case Material: Metal
    $595.82
    MIDWEST INSTRUMENT Pressure Gauge, 0 to 100 psi
    Mfr # 120-SA-00-OO-100P
    Key Features:
    Differential Pressure Gauge Type: Differential Pressure Gauge
    Gauge Nominal Dial Size: 2-1/2 in
    Basic Gauge Case Material: Metal
    $368.90
    MIDWEST INSTRUMENT Gauge 3-Color Filter Change DP
    Mfr # 522A-010
    Key Features:
    Series: 522
    Item: 3-Color Differential Pressure Indicator
    Housing Material: Aluminum
    $170.63
    MIDWEST INSTRUMENT Backflow Test Kit Hose for Model 830
    Mfr # 110645
    Key Features:
    Item: Backflow Test Kit Replacement Hose
    Includes: (3) Replacement Hoses
    For Use With: 34CU34, 34CU35, 6AJV6
    $227.34
    MIDWEST INSTRUMENT Pressure Gauge, 0 to 50 psi
    Mfr # 140-SC-00-OO-50P
    Key Features:
    Differential Pressure Gauge Type: Differential Pressure Gauge
    Gauge Nominal Dial Size: 4-1/2 in
    Basic Gauge Case Material: Metal
    $756.89
    MIDWEST INSTRUMENT Pressure Gauge, 0 to 20 psi
    Mfr # 142-AC-00-OO-20P
    Key Features:
    Differential Pressure Gauge Type: Differential Pressure Gauge
    Gauge Nominal Dial Size: 4-1/2 in
    Basic Gauge Case Material: Metal
    $331.84
    MIDWEST INSTRUMENT Pressure Gauge, 0 to 100 psi
    Mfr # 140-SC-00-OO-100P
    Key Features:
    Differential Pressure Gauge Type: Differential Pressure Gauge
    Gauge Nominal Dial Size: 4-1/2 in
    Basic Gauge Case Material: Metal
    $756.89
    MIDWEST INSTRUMENT Pressure Gauge, 0 to 25 psi
    Mfr # 142-SC-00-OO-25P
    Key Features:
    Differential Pressure Gauge Type: Differential Pressure Gauge
    Gauge Nominal Dial Size: 4-1/2 in
    Basic Gauge Case Material: Metal
    $690.53
    MIDWEST INSTRUMENT Pressure Gauge, 0 to 50 psi
    Mfr # 140-AC-00-OO-50P
    Key Features:
    Differential Pressure Gauge Type: Differential Pressure Gauge
    Gauge Nominal Dial Size: 4-1/2 in
    Basic Gauge Case Material: Metal
    $407.48
    MIDWEST INSTRUMENT Pressure Indicator, 0 to 5 psi
    Mfr # 555A-5.0
    Key Features:
    Differential Pressure Gauge Type: Differential Pressure Indicator
    Basic Gauge Case Material: Metal
    Basic Gauge Wetted Parts: Buna-N
    $103.36
    MIDWEST INSTRUMENT Pressure Gauge, 0 to 30 psi
    Mfr # 140-SC-00-OO-30P
    Key Features:
    Differential Pressure Gauge Type: Differential Pressure Gauge
    Gauge Nominal Dial Size: 4-1/2 in
    Basic Gauge Case Material: Metal
    $753.73
    MIDWEST INSTRUMENT Pressure Gauge, 0 to 10 In H2O
    Mfr # 130-0114
    Key Features:
    Differential Pressure Gauge Type: Differential Pressure Gauge
    Gauge Nominal Dial Size: 4-1/2 in
    Basic Gauge Case Material: Metal
    $1,299.78
    306 Results (Showing 1 - 36)
    • ​
      1
      1
      2
      3
      4
      5
      6
      7
      8
      9
      of 9 pages
    • Next
    • Last

    Contact Us

    Customer Service From Real People.

    • Phone: (855) 289-9676
    • Fax: (855) 329-9676
    • Monday - Friday: 6am - 9pm (CT)
    • Saturday: 7am - 5pm (CT)

    *Holiday hours may vary. Learn More

    Contact Us

    Information

    • About Us
    • Accessibility
    • Careers
    • Giving Back
    • Promo Codes
    • Resource Hub
    • Return Policy
    • Shipping

    Shopping

    • Brands
    • My Account
    • Payments
    • Sitemap

    Services

    • Customer Service
    • Contact Us
    • FAQs
    • Net 30 Terms
    • Sell on Zoro

    Follow Us

    • © 2011-2023 Zoro Tools, Inc. All rights reserved.
    • Terms & Conditions
    • Privacy Policy
    • Do Not Sell My Personal Information