Best Check Valves

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Our team has taken into consideration various factors including customer feedback, features, specifications and price among others before finalizing these products. This list can be used as a reference by all our readers who are looking for Top 12 Best Black Paint For Cars. We hope you find this article useful!

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Watts LF009M3-QT R 3/4" Reduced Injection Check/Back Pressure, Valve Assembly

$327.87  in stock
5 new from $327.87
Free shipping
as of June 26, 2022 6:20 pm

Features

  • Durable, lead free bronze body construction.
  • NPT inlet and outlet connections.
  • Quarter turn full port resilient seated ball valve shutoffs.
  • Single access cover and modular check construction for the ease of maintenance.
  • Large body passages provide a low pressure drop.Captured springs for safe maintenance

Watts 1 1/2" Lead Free Double Check Valve Assembly, Quarter Turn Shutoff, LF007M2-QT

$598.97  in stock
3 new from $598.97
as of June 26, 2022 6:20 pm

Features

  • Lead free modular construction.
  • Low pressure drop.
  • Easy to install and maintain.
  • Top mounted ball valve test cocks.

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

$4.99  in stock
as of June 26, 2022 6:20 pm

Features

  • For Oxygen Pumps Only: Great one-way check valve for most common aquarium air pumps. NOT suitable for CO2 or other high-pressure systems to avoid crack and leak.
  • Small & Light: Size: 2.1" L x 0.55" W; Diameter of air holes: 0.12"; Weight: 0.1 oz. Standard ID airline tubing: 3/16". Add little weight to your hose for smooth airflow.
  • Ideal Pump Protectors: Prevent backflow of water through the tubing during a power outage or pump pause. Essential accessories for basic aeration setup in your fish tanks.
  • Sturdy & Quiet: Made of reliable plastic which can be tightly connected to the hose without air leak. Durable to endure long-time use without making noise.
  • Easy Maintenance: Clean the valve regularly. Please poke it with a slim stick from the inlet side to push it open when it gets clogged inside and restricts air flow.

Watts 2" Lead Free Double Check Valve Assembly, Quarter Turn Shutoff, Single Top Entry, LF007M1-QT

$557.85  in stock
4 new from $557.85
Free shipping
as of June 26, 2022 6:20 pm

Features

  • Lead free construction
  • Modular compact design
  • Replaceable seats and seat discs
  • Top entry

Quickun 1/2" Barb Hose One Way Inline Check Valve Non Return Ozone Resistance PVDF Plastic One-Way Fuel Oil Water Gas Pump Air Check Valve, 2 Pcs

$6.99  in stock
2 new from $6.97
Free shipping
as of June 26, 2022 6:20 pm

Features

  • 【Material】The shell material is PVDF, and the Diaphragm material is silicon rubber
  • 【Diameter】 1/2"barb, can fit 1/2" hose ID
  • 【Performance】Normal performance under 25 ℃ to 60 ℃,Strong resistance to acid, alkali, salt corrosion ability
  • 【Application】Check valve is used in fluid system to prevent reverse flow fluid, or used in pneumatic system to prevent reverse flow of compressed air
  • 【Total length】 43mm/1.69 inch

Check Valve, 3/8 Inch 10 mm ABS Plug-in Check Valve Fuel Oil Water Gas Air One-Way Check Valve for Liquids and Gases (6 Pieces)

$9.99  in stock
as of June 26, 2022 6:20 pm

Features

  • 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
  • Suitable size: you will get 6 no-return check valves with a size of 3/8 inch, which is 1.61 inches long, enough quantity to meet your use of check valves in different situations to prevent fluid backflow
  • Function introduction: 3/8 check valve is applied in fluid system to prevent fluid backflow, or applied in pneumatic system to prevent compressed air backflow; This check valve can be applied in the temperature range of -20 degrees Celsius to 70 degrees Celsius
  • Widely use: one-way valve can be applied in water process, air purification, automobile parts, machinery industry, household appliances, etc., to effectively prevent backflow of the medium
  • Note: when installing the check valve, pay special attention to the flow direction of the medium; The normal flow direction of the medium should be consistent with the arrow direction indicated on the valve body, otherwise the normal flow of the medium will be cut off

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

$30.00
$25.60
 in stock
as of June 26, 2022 6:20 pm

Features

  • No lead brass construction
  • 1 in. x 1 in. female NPT
  • Prevents backflow in well or irrigation systems
  • Abrasion resistant O-ring fitted to the poppet for a positive seal
  • Can be used in both vertical and horizontal positions

Joywayus Brass Check Valve 3/4" Thread Female One Way Backflow Preventer Check Valves (Pack of 2)

$15.99  in stock
as of June 26, 2022 6:20 pm

Features

  • Product Size:3/4" Thread Female
  • This valve is used to prevent the back flow of fluids
  • Maximum pressure rating 200 psi,200 WOG (water, Oil, gas)
  • This valve has a brass body with a stainless steel spring for long-lasting durability
  • Brass for corrosion resistance, ductility at high temperatures, and low magnetic permeability

Inline Poppet Check Valve 685 Series PP 1/2 FPT - BUNA

$15.99
$13.99
 in stock
2 new from $13.99
Free shipping
as of June 26, 2022 6:20 pm

Features

Part Number685 Series

BBTUS Check Valve, 2Pcs 3/8" 10mm Inline ABS One Way Water Non Return Check Valve For Fuel Gas Liquid Air

$5.92  in stock
2 new from $5.92
Free shipping
as of June 26, 2022 6:20 pm

Features

  • Material ※ The shell material is ABS resin, and the Diaphragm material is silicon rubber
  • Performance※ Normal performance under 25 ℃ to 60 ℃,Strong resistance to acid, alkali, salt corrosion ability
  • Application ※Check valve is used in fluid system to prevent reverse flow fluid, or used in pneumatic system to prevent reverse flow of compressed air
  • Diameter ※ 10mm/0.39 inch
  • Total length ※ 43mm/1.69 inch

Pentair 263042 Check Valve CPVC for Pool Pumps, 2 Port Straight

$69.98  in stock
11 new from $69.98
as of June 26, 2022 6:20 pm

Features

  • Genuine Pentair
  • Part Number: 263042
  • Get Ready For The Pool Season With Preventative Maintained On Your Pool Equipment
  • No Assembly Required

Jandy 7305 180-Degree, 2-Inch to 2-1/2-Inch Check Valve

$69.79  in stock
20 new from $57.83
Free shipping
as of June 26, 2022 6:20 pm

Features

  • For straight through flow
  • Clear lid with red seal for easy inspection
  • Unique swing/spring design for both return and intake water
  • Disassembles for cleaning debris
  • Made from durable CPVC

Zurn 1-950XLT Wilkins Top Access Double Check Valve 1-Inch Backflow Preventer

$225.85  in stock
2 new from $225.85
Free shipping
as of June 26, 2022 6:20 pm

Features

  • Easy maintenance with both checks pointing upward
  • Fits within standard meter boxes
  • Nary replaceable seats and silicone rubber check disks
  • Entire unit serviceable in line
  • A tried and true design favored by installers worldwide

American Valve G31SL 3/4" Lead Free Check Valve, 3/4 Inch

$17.99
$15.98
 in stock
1 used from $11.40
Free shipping
as of June 26, 2022 6:20 pm

Features

  • Complies with lead-free Plumbing laws
  • May be used vertically or horizontally
  • 200 WOG (water, Oil, gas)
  • Inline check

ESHIONG 1/4" Push to Connect One Way Check Valve for RO(Reverse Osmosis) Water Filter ,NSF Certified Plastic Quick Connect RO Fittings (6 pcs)

$9.99  in stock
as of June 26, 2022 6:20 pm

Features

  • Material:POM(Polyoxymethylene) . Food-grade material, BPA free,NSF、TUV、SGS certificated etc.
  • Specification:Straight 1/4" inch To 1/4" inch OD Tube quick connect One-way Valve.Standard fitting for about 6.4mm water filter systems tube.
  • Installation:Non-Locking Clip design offers an easy DIY installation without any tools .Push fit fittings ,100% leak free.
  • Package Quantity:6 pack
  • Application:Apply to reverse osmosis water filter system,beverage dispensing system,refrigerator,ice maker,coffee machine,etc.

FibroPool 1 1/2" POSI- Close Non- Lube Check Valve

$44.95  in stock
2 new from $43.95
Free shipping
as of June 26, 2022 6:20 pm

Features

  • ++ Fibropool 1 1/2" Posi-Close check valve. it features 1 1/2" slip ports. Your 1 1/ 2" pipe will glue inside the port.
  • ++ The valve is Spring loaded to open at 5 PSI.
  • ++ CPVC construction allows temperature and impact resistance.
  • ++ Serviceable, but does not need grease or lube, PTFE seats are lubeless.
  • ++ Ideal for heater and chemical dispenser/ salt generator installations.

NIBCO - NLN10XF W910B-LF/W960B-LF Silent Wafer Check Valve Lead-Free, Class 125, Iron Body, Bronze Seat and Disc, 3"

$379.84  in stock
4 new from $367.65
Free shipping
as of June 26, 2022 6:20 pm

Features

  • The NIBCO lead-free wafer style silent check valve is spring actuated with renewable bronze seat and disc; The spring return reduces noise for quiet operation
  • Check valves prevent backflow by automatically closing when fluid reverses direction; The check valve is recommended for commercial and industrial water applications
  • Lead Free refers to the wetted surface of pipe; fittings and fixtures in potable water systems that have a weighted average lead content ≤ 0.25% per the Safe Drinking Water Act (Sec. 1417) amended
  • Renewable bronze seat and disc; Spring actuated (1/2 psi cracking pressure); Class 125 wafer end connections
  • The check valve is recommended for commercial and industrial water applications

FibroPool 2" POSI- Close Non- Lube Check Valve…

$54.95  in stock
2 new from $54.95
Free shipping
as of June 26, 2022 6:20 pm

Features

  • ++ Fibropool 2" Posi-Close check valve. it features 2" slip ports. Your 2" pipe will glue inside the port.
  • ++ The valve is Spring loaded to open at 5 PSI.
  • ++ CPVC construction allows temperature and impact resistance.
  • ++ Serviceable, but does not need grease or lube, PTFE seats are lubeless.
  • ++ Ideal for heater and chemical dispenser/ salt generator installations.

PumpSpy"Silent" Sewage or Sump Pump Check Valve - 2 Inch

$29.99  in stock
1 used from $26.75
Free shipping
as of June 26, 2022 6:20 pm

Features

  • Quiet clear check valve for use with sewage, effluent, and sump pumps
  • Clear valve body allows visibility of pumped contents
  • The unique spring-loaded flapper eliminates the water hammer noise of standard check valves
  • 100% stainless steel clamps included - fits 2-inch Schedule 40 PVC pipe
  • 1-year warranty

ATIE 7056 Check Valve Cover with Flapper Assembly Replacement For Zodiac Jandy Check Valve 7235, 7236, 7305, 7511, 7512 (Includes P/N: 7451 Flapper, 7302 Spring, 7304 Pin, 7236 Cover, and 1132 O-Ring)

$15.49  in stock
as of June 26, 2022 6:20 pm

Features

  • Upgraded stainless spring & pin make STRONGER spring tension
  • Improved chlorine-resistant and corrosion-resistant fabrication on flapper and rubber seal
  • Enhanced cover construction to be anti-crack and sturdy
  • Fits Zodiac Jandy Spring Check Valve models 7235, 7236, 7305, 7511, 7512
  • Includes P/N: #7451 Flapper, 7302 Spring, 7304 pin, 7236 Cover, and # 1132 Cover O-Ring

American Valve P32S 1 1/2" PVC In-Line Check Socket Schedule 40, 1-1/2-Inch, White

$13.98  in stock
2 new from $13.98
8 used from $9.72
Free shipping
as of June 26, 2022 6:20 pm

Features

  • Socket ends (use solvent cement)
  • Corrosion-resistant PVC
  • Prevents backflow
  • For cold water use
  • Minimum opening pressure 2 PSI

Dorman 911-624 Driver Side Secondary Air Injection Check Valve Compatible with Select Lexus/Toyota Models

$189.60  in stock
12 new from $189.60
Free shipping
as of June 26, 2022 6:20 pm

Features

  • Direct replacement - this secondary air injection check valve is designed to match the fit and function of the original valve on specified vehicles
  • Restores functionality - this valve is made to fit and fully restore part functionality after the original valve fails
  • Durable construction - this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality - backed by team of product experts in the United States and more than a century of automotive experience
  • Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool

PumpSpy"Silent" Sump Pump Check Valve - 1-1/2"

$26.99  in stock
as of June 26, 2022 6:20 pm

Features

  • Sump pump check valve 1 1/2 inch (Model: CV-150)
  • Clear check valve body so that water movement is visible
  • The unique spring-loaded flapper eliminates the water hammer noise of standard check valves
  • 100% Stainless steel clamps included-fits 1-1/2" Schedule 40 PVC pipe
  • 1-year warranty

Rectorseal 97026 Clean Check Backwater Valve

$228.89  in stock
3 new from $228.89
Free shipping
as of June 26, 2022 6:20 pm

Features

  • Prevent sewage backup into a residence or building
  • Easy to perform maintenance and inspection from ground level
  • Meets all model construction and plumbing codes
  • NO costly manholes- direct bury up to 12 ft.

Jackel Sump Check Valve (Model: DJ-545)

$14.61  in stock
4 new from $14.61
as of June 26, 2022 6:20 pm

Features

  • Fits 1-1/4" or 1-1/2" black, galvanized or DWV Schedule 40 pipe
  • The most durable flapper in the industry
  • Strong and durable ABS body
  • All stainless steel clamps and fasteners

Watts LF007M1-QT 1" Lead Free Double Check Valve Assembly 0063232

$289.99
$239.72
 in stock
2 new from $239.72
as of June 26, 2022 6:20 pm

Features

  • Ease of maintenance — only one cover
  • Top entry
  • Replaceable seats and seat discs
  • Modular construction
  • Compact design

Valterra 200-C15W PVC Swing (No Spring) Check Valve, Clear, 1-1/2" Slip

$18.36  in stock
2 new from $18.36
Free shipping
as of June 26, 2022 6:20 pm

Features

  • Clear PVC for corrosion resistance, high strength, and less weight than fittings made from metal
  • Full flow design for insignificant flow loss at swing check
  • Slip connection for easy attachment
  • Maximum pressure rating 150 psi
  • Meets ASTM and ANSI standards

Merrill CVNL125 1-1/4" No-Lead Brass In-Line Check Valve 700 Series

$32.50  in stock
2 new from $25.10
Free shipping
as of June 26, 2022 6:20 pm

Features

  • No lead brass construction
  • 1-1/4 in. x 1-1/4 in. female NPT
  • Prevents backflow in well or irrigation systems
  • Abrasion resistant O-ring fitted to the poppet for a positive seal
  • Can be used in both vertical and horizontal positions

Watts Tankless Water Heater Service Valve Kit

$129.98  in stock
7 new from $129.98
as of June 26, 2022 6:20 pm

Features

  • TANKLESS WATER HEATER VALVE KIT: Watts LFTWH-FT-HCN service valve kit for tankless water heater valves simplify the installation, maintenance and operation of tankless water heaters.
  • SERVICE VALVE KIT FOR TANKLESS WATER HEATER: The tankless water heater service valve kit replaces up to 18 fittings and 16 connections used in typical tankless water heater installations, color-coded tee handle. Optional pressure relief and check valve.
  • MULTIPLE CONNECTION VALVE KIT: They are available in two valve sets or as a single valve with female threaded, union or quick-connect end options. The service valve kits are available with or without a relief valve. Facilitate service and maintenance with cold water inlet and hot water outlet valves certified to NSF/ANSI 61.
  • LEAD FREE VALVE KIT: The wetted surface of our Lead Free products contacted by consumable water contain less than one quarter of one percent (0.25 percent) of lead by weight.
  • WATER SERVICE VALVE KIT: Purge/drain ports allow regular cleaning to remove scale build-up. The kit includes LF4L - Lead free poppet type pressure relief valves for protection against excessive pressure and LFTWH - Lead Free Tankless Water Heater Valves.

Ecosmart POU 3.5 Point of Use Electric Tankless Water Heater, 3.5KW@120-Volt, 6 x 11 x 3 Inch

$192.01  in stock
8 new from $184.98
7 used from $154.02
Free shipping
as of June 26, 2022 6:20 pm

Features

  • Can provide hot water for one sink at 0.5 GPM in warmer climates
  • Requires 1 x 30 amp breaker and 10 AWG wire
  • For one sink at 0.5 GPM in colder climates the POU 6 is recommended
  • Amperage Draw 29 amp. kW - 3.5 kW
  • Connection Fittings 1/2" NPT

Ecosmart ECO Electric Tankless Water Heater, 27 KW at 240 Volts, 112.5 Amps with Patented Self Modulating Technology, White

$599.00
$479.30
 in stock
12 new from $479.30
2 used from $423.62
Free shipping
as of June 26, 2022 6:20 pm

Features

  • Endless on-Demand Hot Water; Consistent hot water when you need it that never runs out; Continuously monitored water temperature and controlled flow rates ensure efficiency and consistent performance within 1 degree of selected temperature
  • Save Space; EcoSmart tankless electric water heaters are 90% smaller than traditional tank heaters; may be installed on wall or at point of use; Dimensions 17 x 17 x 3.75 inches 
  • Save Energy; EcoSmart tankless electric water heaters are 99% thermal energy efficient; Only heats water when called unlike a tank heater that maintains water temperature even when not being used. Save up to 50% in water heating costs according to the Department of Energy
  • EcoSmart ECO 27 Sizing; Refer to the sizing map. Requires 3x40 AMP Double Pole Breaker, 27-kilowatt tankless electric water heater ideal for providing hot water for whole home applications; provides between 2.7 and 6.5 gallons-per-minute depending on the inlet water temperature; refer to the sizing guide to select the proper solution
  • Warranty and Certifications; Limited Lifetime Warranty on electronics, exchanger and element; UL-499 certified; ETL Listed

Stiebel Eltron 224199 240V, 1 Phase, 50/60 Hz, 24 kW Tempra 24 Plus Whole House Tankless Electric Water Heater, Advanced Flow Control

$798.00  in stock
as of June 26, 2022 6:20 pm

Features

  • Digital temperature control. Voltage : 240 Volt or 208 Volt
  • Proven reliability
  • No venting required
  • Sleek design fits anywhere
  • Save at least 15-20% on the hot water portion of your electric bill

Magic Plastics CR2 Corrosion Resistant Check Valve, 2" - 0801-20H2

$52.00
$49.13
 in stock
11 new from $49.11
as of June 26, 2022 6:20 pm

Features

  • Proprietary designed Hastelloy Spring
  • Glass-Filled Noryl injection molded shaft
  • 100% Silicone Gasket (Never Requires Lubrication)
  • Clear Sight Glass
  • Removable/Serviceable Lid

EVIL ENERGY 5/16" 8mm Non Return One Way Check Valve for Fuel Line Oil Petrol Diesel Aluminium Silver Pack of 2

$10.99  in stock
as of June 26, 2022 6:20 pm

Features

  • Function: The basic design of a one way check valve inhibits back flow in a line. Arrow marked on valve, showing fluid flow direction, preventing fuel from returning back to the tank and keeps it in the line. In this way, this product can perfectly solve the problem that your vehicle is hard or slow starting issues
  • Feature: The non return check valve body is made of high quality aluminum alloy can use longer than plastic one. Stable characteristics, high reliability. The push lock design of the connector stop the hose from sliding off and easy to connect. Surface anodized for great appearance and anti-corrosion, superior thread strength
  • One-way Check valve installs in many diesel / bio fuel systems / Carburetors and low pressure fuel systems where you desire fuel to only flow one way. Suitable for water, petrol, diesel, oil, and other fluids. Note:This fuel non return one way check valve cannot be used in methyl alcohol because formic acid will be produced while it is powered on, which will lead to the uselessness
  • Easy installation and replacement. According to the little arrow on the valve, connect the fuel line. You can use some hose clamps which can make sure the pipes don't drop off. The main advantage of a non-return check valve is its simple design. This simple design make the check valves has a small size and easy to install, making maintenance easier and more efficient
  • The minimum upstream pressure required to operate the aluminum one-way check valve is 2.9psi (0.2 bar). Working pressure:2.9-87 psi (0.2-6bar) Operating temperature: -30 ℃ - 130 ℃. Six-month warranty provide by EVIL ENERGY. We value your shopping experience and strive to offer a high-quality product and service

Ecosmart ECO 36 36kw 240V Electric Tankless Water Heater

$599.00  in stock
5 used from $391.89
Free shipping
as of June 26, 2022 6:20 pm

Features

  • Sleek and compact design with digital output temperature display
  • ECOSMART tankless water heaters are 99.8-percent energy efficient
  • Manufactured in United States
  • Pipe Fittings:3/4 inch NPT
  • Required Breaker:4 x 40 A

Campbell Check Valve Quiet CLR1.5 by Brady MfrPartNo 0823-15C, White

$29.75  in stock
13 new from $29.75
as of June 26, 2022 6:20 pm

Features

  • BRADY
  • Package Length: 10.8"
  • Package width: 13.79"
  • Package Height: 24.41"

Motorcraft YG429 Vacuum Control Valve

$9.93  in stock
14 new from $9.93
Free shipping
as of June 26, 2022 6:20 pm

Features

  • This is high quality product
  • This product is highly durable
  • Country of Origin : United States
  • The Package Height of the Product is 6.0 inches

Dorman 911-607 Passenger Side Secondary Air Injection Check Valve Compatible with Select Lexus/Toyota Models

$155.15  in stock
12 new from $153.06
1 used from $96.59
Free shipping
as of June 26, 2022 6:20 pm

Features

  • Direct replacement - this secondary air injection check valve is designed to match the fit and function of the original valve on specified vehicles
  • Restores functionality - this valve is made to fit and fully restore part functionality after the original valve fails
  • Durable construction - this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality - backed by team of product experts in the United States and more than a century of automotive experience
  • Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool

A-Premium Secondary Air Injection Check Valve Compatible with Toyota Tundra 2007-2009 Sequoia 2008-2009 V8 4.7L Petrol

$119.99  in stock
2 new from $119.99
Free shipping
as of June 26, 2022 6:20 pm

Features

  • 【Vehicle Fitment】Compatible with Toyota Sequoia 2008-2009 V8 4.7L, Tundra 2007-2009 V8 4.7L
  • 【Reference Number】911-622, 25710-50031, 2571050032, 25710-50041, 2571050042
  • 【Durable Construction】Manufactured and tested to the strictest OE standards for superior performance. With premium materials for a long service life.
  • 【Direct Replacement】Quick and easy installation; Perfect match for the original vehicles.
  • 【Buy with Confidence】1 Year Unlimited-mileage Quality Guarantee---We extremely value your satisfaction and strive to provide you good shopping experience. Any further question, please feel free to contact us at any time.

ProCheck Quiet Sump Pump Check Valve With Stainless Steel Vibration Resistant Couplings, 1-1/2“

$26.99  in stock
as of June 26, 2022 6:20 pm

Features

  • QUIET INTERNAL VALVE: Silent sump pump check valve QCV-150
  • ENDS NOISY WATER HAMMER: Spring loaded flapper creates positive shut-off after pump cycles.
  • CLEAR VALVE BODY: Visually verify water movement, and clog free operation. NO PVC CEMENT NEEDED.
  • STAINLESS SHIELDED PROFLEX COUPLINGS: Engineered to resist pipe vibration & movement. Rubber interior ridges designed to ensures pipe is securely locked into coupling.
  • FITS 1-1/2” PIPE: Assembled valve = 7-1/4” H x 3” W. Installs horizontally or vertically.

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