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10 Best check valves of 2025

Save up to 16% off
  • Best Choice

    1

    PumpSpy Silent Check Valve - 1-1/2" with Buna-N Couplings, Model CV-150, Spring-Loaded Flapper, Sump Pump Life Expectancy Increase, Includes Steel Clamps Fit 1-1/2″ Pipe
    PumpSpy

    PumpSpy Silent Check Valve - 1-1/2" with Buna-N Couplings, Model CV-150, Spring-Loaded Flapper, Sump Pump Life Expectancy Increase, Includes Steel Clamps Fit 1-1/2″ Pipe

    14% Off
    9.8
    Exceptional
    Our Rating
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  • Value for Money

    2

    Check Valve with Backflow Prevention, Universal 1-1/4 inch One-Way Female Pipe Thread, Lead-Free Brass Construction, 1.25'' FNPT × 1.25'' FNPT
    Bzcovac

    Check Valve with Backflow Prevention, Universal 1-1/4 inch One-Way Female Pipe Thread, Lead-Free Brass Construction, 1.25'' FNPT × 1.25'' FNPT

    • Brand:Bzcovac
    • Part Number:200LB
    • Valve Type:Check Valve
    • Color:Brass Gold
    • Manufacturer:Chowchow LLC
    9.6
    Exceptional

  • 3

    Pawfly 6 PCS Aquarium Check Valves for Common Air Pumps Red Plastic 1-Way Non-Return Valves Pump Protectors for Standard 3/16 Inch Airline Tubing Fish Tank Accessories for Aeration Setup
    Pawfly

    Pawfly 6 PCS Aquarium Check Valves for Common Air Pumps Red Plastic 1-Way Non-Return Valves Pump Protectors for Standard 3/16 Inch Airline Tubing Fish Tank Accessories for Aeration Setup

    16% Off
    9.4
    Excellent

  • 4

    6 Pieces One Way Inline Check Valve Bulk 3/8 Inch 10 mm ABS Plug-in Check Valve Fuel Water Gas Air One-way for Liquids and Gas
    Blulu

    6 Pieces One Way Inline Check Valve Bulk 3/8 Inch 10 mm ABS Plug-in Check Valve Fuel Water Gas Air One-way for Liquids and Gas

    9.2
    Excellent

  • 5

    DaToo Aquarium Air Pump Check Valve 12PCS Fish Tank One Way Non-Return Check Valve Air Pump Accessories for 3/16 Inch Airline Tubing
    DaToo

    DaToo Aquarium Air Pump Check Valve 12PCS Fish Tank One Way Non-Return Check Valve Air Pump Accessories for 3/16 Inch Airline Tubing

    9.1
    Excellent
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  • 6

    EVIL ENERGY 3/8" Fuel Check Valve One Way Inline Non Return Diesel Gasoline Black(10mm OD,2PCS)
    EVIL ENERGY

    EVIL ENERGY 3/8" Fuel Check Valve One Way Inline Non Return Diesel Gasoline Black(10mm OD,2PCS)

    9.0
    Excellent

  • 7

    Litoexpe 1/2" One Way Inline Check Valve, Non Return Ozone Resistance PVDF Plastic One-Way Fuel Oil Water Gas Pump Air Check Valve, Pack of 2
    Litoexpe

    Litoexpe 1/2" One Way Inline Check Valve, Non Return Ozone Resistance PVDF Plastic One-Way Fuel Oil Water Gas Pump Air Check Valve, Pack of 2

    8.9
    Very Good

  • 8

    10 Pack 1/4 inch Plastic Check Valve, One Way Barb Hose Inline Non Return For Fuel, Oil, Water, Air (1/4 inch)
    ALEGI

    10 Pack 1/4 inch Plastic Check Valve, One Way Barb Hose Inline Non Return For Fuel, Oil, Water, Air (1/4 inch)

    8.7
    Very Good

  • 9

    Hydro Master Plastic Sump Pump Check Valve with Stainless Steel Clamps for 1-1/2 inch or 1-1/4 inch
    HYDRO MASTER

    Hydro Master Plastic Sump Pump Check Valve with Stainless Steel Clamps for 1-1/2 inch or 1-1/4 inch

    8.6
    Very Good

  • 10

    Merrill MFG CVNL100 1" No-Lead Brass Check Valve 700 Series, 1"
    Merrill

    Merrill MFG CVNL100 1" No-Lead Brass Check Valve 700 Series, 1"

    8.5
    Good