Best Check Valves Deals Online in the UK (25 Deals Found)

Last Updated - 15/12/2025 Sort By:

Best Choice
Rowwait

New
4pcs Aquarium Check Valves for Common Air Pumps,Aquarium Air Pump Check Valves Red Clear Plastic One Way Non-Return Chec
Package: 4pcs one way non-return valves, which are enough for daily use and replacement.

£2.99
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TopHomer

New
Stainless Steel Check Valve, 1/2" Female to Male Thread Backflow Prevention Valve, Non Return One Way Connector for Toil
[Thread Size] The check valve measures 3/4" (φ20mm) in diameter, threaded with standard G 1/2" female and male threads.

£6.69
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New
ONE WAY FUEL NON RETURN CHECK VALVE 6 8 10 12 MM PETROL DIESEL OIL WATER BIO
For Use With Petrol, Diesel, Bio Diesel, Water, Oil etc. All of our products are sourced directly from our range of appr

£36.99
Best Value
Pawfly

New
Pawfly 6 PCS Aquarium Check Valves One Way Non-return Protector Air Pump Accessories for Fish Tank,Black
For Oxygen Pumps Only: Great one-way check valves for most common aquarium air pumps. DO NOT use them in CO2 or other hi

£3.99
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New
Non-Return Valves : Brass Swing-Check Valves : Sizes 1/2" To 4" BSP
Brass Valves. Ball Valves. BSP THREAD SIZING. Foot Valves. Gate Valves. Galvanised Pipe Fittings. BRASS SWING-CHECK VALV

£9.84
Marina

New
Marina Plastic Check Valve/ Non Return Valve
Protects pumps from water back siphoning.

£3.79
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Kudos-Trading

New
Kudos-Trading - 15mm Single Check Valve WRAS Approved Compression Fitting Non Return Valve one Way Isolation Valve DZR P
Wras Approved Certification. This 15mm single check valve is fully certified by Wras, ensuring compliance with UK water

£6.25
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New
Brass Spring Check Valves : Non-Return Valves : Sizes 1/2" To 4" BSP
Brass Valves. BSP THREAD SIZING. Ball Valves. Foot Valves. Gate Valves. Galvanised Pipe Fittings. BRASS SPRING-CHECK VAL

£11.55
LVElectrics

New
LVElectrics 15mm DZR Non Return Double Check Valve Isolation
Artikelname the puffin classics story collection 10 books set the extraordinary cases of sherlock holmes, jungle book, p

£21.90
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New
Inline Brake Servo Non Return Valve Check One-Way Brake Booster Vacuum Catch Can
Easy to fit, the valve features barbed ends to fit inline into a hose, and is available in several sizes. The body is ma

£4.25
Pawfly

New
Pawfly Aquarium Check Valves Red Plastic One-Way Non-Return Valves for Common Air Pumps Protectors for Standard 0.5cm Ai
For Oxygen Pumps Only: Great one-way check valve for most common aquarium air pumps. NOT suitable for CO2 or other high-

£3.99
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SUAOEO

New
Aquarium Check Valves、Airline Tubing Connectors Plastic Inline Valve、Aquarium Air Flow Control Valve（20PCS for fish tank
4 * Check Valves,4 * Air Flow Control Valve, 4 * T-connectors, 4*right angle connectors

£3.99
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New
6-12mm Inline Auminium Non Return One Way Fuel Diesel Petrol Vehicle Check Valve
Size: 6mm (1/4""), 8mm (5/16""), 10mm (3/8""), 12mm (1/2""). Suitable for gasoline, diesel, bio/vegetable oil, paraffin/

£3.21
Primaflow

New
15mm Double Check Valve - DZR Compression
This listing is for a Pack of 1

£7.70
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New
8MM 5/16" ONE WAY ALUMINIUM NON RETURN CHECK VALVE PETROL DIESEL OIL WATER
AVAILABLE IN SIZES 6mm 8mm 10mm 12mm -.

£4.99 £8.88
QWORK

New
QWORK® Check Valve, One-Way Non Return ABS Valve 3/8" 10mm for Fuel Gas, 2 Pcs
High Quality - Made of high quality ABS resin with silicone rubber diaphragm, this check valve is durable, stable, acid

£4.65
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New
6-12mm Inline One-way Non-return Check Valve Auminium Fuel Water Gas Air Vacuum+
For Use With Petrol, Diesel, Bio / Vegetable oil, Paraffin / Kerosene oil, etc. In this way, this product can perfectly

£4.19
New
BSP Non Return Valves Check Valves Nickel Plated Brass Compact
Fluid Dry or Lubricated Air. P ackage includes :1x valve.

£23.99
New
6-12mm Inline One-way Non-return Check Valve Auminium Fuel Water Gas Air Silver
Size: 6mm (1/4""), 8mm (5/16""), 10mm (3/8""), 12mm (1/2""). Suitable for gasoline, diesel, bio/vegetable oil, paraffin/

£3.21
New
6 8 10 12mm Aluminum One-way Non-return Check Valve Fuel Water Gas Air Vacuum-UK
Suitable for carburetor and low pressure fuel system, resistant to diesel, gasoline, and aging. [Size]: 6mm, 8mm, 10mm,

£4.98
New
Plastic One-Way Check Valve Inline Non-Return Fuel Water 3–12mm

£4.19
New
Non Return-Check Valve Push Fit Metric Hose Tail End Imperial Compression
Equipped with one touch oval release button so that contributes to easy and simple tubing connecting.

£7.99
New
ONE WAY FUEL NON RETURN CHECK VALVE 6 8 10 12 MM PETROL DIESEL OIL WATER BIO
Resistant to Diesel, Gasoline, and Aging. - Opening pressure: 0.2 bar. - Working temperature range: - 30 ℃ to 130 ℃. - W

£3.29
New
Brass Spring Check Valves : Non-Return Valves : Sizes 1/2" To 2" BSP

£9.06
New
15mm Filling Loop Valve Part L Combi Boiler Straight Filling Loop Check Valve
---Designed for easy connection to pressurized system boilers, this 15mm central heating fill loop helps top up water le

£19.99

25 Check Valves deals are available from: Amazon, eBay stores, starting from £2.99.
The biggest discount we found is 10%% on 4pcs Aquarium Check Valves for Common Air Pumps,Aquarium Air Pump Check Valves Red Clear Plastic One Way Non-Return Check Valve AquariumAir Pump Accessories for Airline Tubing Fish Tank(4mm) at Amazon.
The lowest price we found is £2.99 while the highest is £36.99.
Prices for the best Check Valves deals average at £8.71.
Last updated on December 15, 2025.
We scanned these quality online stores and more to deliver you with the best offers online available for Check Valves.