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Check Valves of 2025
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BzcovacCheck Valve with Backflow Prevention, Universal 1-1/4 inch One-Way Female Pipe Thread, Lead-Free Brass Construction, 1.25'' FNPT × 1.25'' FNPT
Main highlights-
Effective Backflow Prevention
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Versatile Installation
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Durable Lead-Free Brass Construction
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MerrillMerrill MFG CVNL100 1" No-Lead Brass Check Valve 700 Series, 1"
Main highlights-
Durable No-Lead Brass Construction
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Ideal for Backflow Prevention
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Positive Seal O-Ring
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See Today’s Deals & Prices
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ZoellerZoeller 30-0181 PVC Plastic Check Valve, 1-1/2 Inch
Main highlights-
Easy Installation and Versatile Use
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Ideal for High Water Table Areas
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Praised for Durability and Quiet Operation
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HYDRO MASTERHydro Master Plastic Sump Pump Check Valve with Stainless Steel Clamps for 1-1/2 inch or 1-1/4 inch
Main highlights-
Durable Construction
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Versatile Installation
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Noise Reduction
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HunterHunter Sprinkler HC75F75M HCV 3/4-Inch Female Inlet by 3/4-Inch Male Outlet Check Valve
26% OffMain highlights-
Key Features and Benefits
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Ideal Use Cases
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Customer Reviews Highlight
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- 16% OffFree Shipping
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
For Oxygen Pumps Only: Great 1-way check valve for most common aquarium air pumps. NOT suitable for CO2 or other high-pressure systems to avoid crack and leak.$4.99
$5.99 (16% Off) - Free Shipping
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
Material: this check valve is made of ABS plastic, and the internal valve core is made of silicone, ABS plastic has high hardness, good heat resistance and corrosion resistance, strong resistance to acids and alkalis, and is resistant to organic solvents to some extent$8.99
$9.49 - Free Shipping
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
★Performance: The one-way check valve has a diameter of 1/2", and a total length of 1.6", which is suitable for different types of liquids. Under 25 ℃ to 135 ℃ environment works, Reliable quality, no need to worry about high temperature damage in the cabin.$6.99
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10 Pack 1/4 inch Plastic Check Valve, One Way Barb Hose Inline Non Return For Fuel, Oil, Water, Air (1/4 inch)
Made of PVDF material, safe and non-toxic, can be used for a long time.$8.99
- Free Shipping
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 Aquarium Air Pump Check Valve】: Are you still worried about tank water back-flow into air pump through airline tubing when sudden power outage or pump pause occurs? Now DaToo Aquarium One Way Check Valve can solve this problem easily. It has reliable protection, avoiding damage to pump from water ingress. Sturdy and durable, has excellent durability and corrosion resistance. Easy to use and size mini and light. Ideal protection for your air pump while you are at work or on vacation.$4.19
- 16% OffFree Shipping
AQUANEAT Aquarium Check Valve, One Way Non Return Valve for Air Pump,Fit for 3/16 Inch Airline Tubing, Fish Tank Accessories, 10pcs (Red)
Specially designed non-return valves will protect your air pump by preventing aquarium water from back siphoning during a power outage$4.98
$5.99 (16% Off) - Free Shipping
Tandefio 4 Pcs 1/4'' 5/16'' 3/8'' 1/2'' Fuel Non Return Inline One Way Check Valve for Fuel Line Oil Petrol Diesel Gasoline Water Aluminium Alloy Silver, 6 mm 8 mm 10 mm 12 mm
Variable Sizes for Multiple Needs: our one way fuel check valve comes in a package of 4 valves with varying sizes, 1/4'', 5/16'', 3/8'', 1/2'', catering to a myriad of your needs; This multi size pack ensures you can find the ideal fit for your machine without much hassle$9.99
- Free Shipping
3/4 inch Check Valve, Marine Boat Bilge Pump Hose in-line one way, Non Return
3/4 inch Non Return Valve$9.99
- Free Shipping
mxuteuk 2Pcs 3/8" 10mm Aluminium Silver Non Return One Way Check Valve with 4Pcs 6-12mm Universal Adjustable Hose Clamps for Fuel Petrol Diesel Line Oil M-H-032-10mm
Product Function:Prevent fuel from returning to the fuel tank and keep it normal$8.99
- Free Shipping
Zoeller 30-0040 1-1/2" Quiet Check Valve
Zoeller 30-0040$29.95