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977 Items found
EK Water Blocks HD Tube 10/12mm 2-Slot (2 pcs)
WC-387-EK
EK-HD Tube is used as an alternative method for connecting multiple GPUs (SLI/CrossFireX) with EK-HD Adapter fittings. For use with PCI-Express slots 40.6mm (1.6" apart).
£2.89 (incl. VAT)
fiber_manual_record In stock
£11.99 (incl. VAT)
fiber_manual_record In stock
Save 20%
Mayhems Dye Yellow 15ml
WC-083-MH
Mayhems Dyes are the ideal choice for creating a unique colour within a Watercooled system.
£9.95 £7.99 (incl. VAT)
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EK Water Blocks EK-HD Adapter 10/12mm - Black Nickel
WC-839-EK
EK Water Blocks EK-HD Adapter 10/12mm - Black Nickel
£3.49 £2.50 (incl. VAT)
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£119.99 £79.99 (incl. VAT)
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£8.99 £0.95 (incl. VAT)
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£5.99 (incl. VAT)
fiber_manual_record In stock
£4.20 (incl. VAT)
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Bitspower Premium G1/4 Stubby High Flow 3/8 Fitting - shiny silver
WC-100-BP
This is the finest made fittings we have ever offered! This is a replacement barb for any product that use G 1/4" fittings.
£3.95 £0.95 (incl. VAT)
fiber_manual_record In stock
Alphacool Female Quick Release Connector - Deep Black
WC-09A-AC
Make your water cooling system higher quality more convenient and more comfortable with your new Alphacool Eiszapfen quick release coupling or plug. Standard G1/4" Thread.
£12.95 (incl. VAT)
fiber_manual_record In stock
Alphacool Female Quick Release Connector - Chrome
WC-099-AC
Make your water cooling system higher quality more convenient and more comfortable with your new Alphacool Eiszapfen quick release coupling or plug. Standard G1/4" Thread.
£16.99 (incl. VAT)
fiber_manual_record In stock
£2.95 (incl. VAT)
fiber_manual_record In stock
Bitspower 45 Degree Rotary Extension Fitting - Black
WC-218-BP
These new G 1/4" 45 degree angle adapters are perfect for tight spaces and change the direction of your water input or output without affecting flow.
£12.95 (incl. VAT)
fiber_manual_record In stock
Mayhems - PC Coolant - X1 Concentrate - Eco Friendly Series, 250 ml, Clear
WC-050-MH
A smaller concentrated version of Mayhems which allows you to make larger quantities of coolant and saves on shipping fees!
£14.99 (incl. VAT)
fiber_manual_record In stock
Bitspower Black Sparkle 1/2" to 1/4" Fitting (Reducer)
WC-179-BP
These new premium tube reducers from Bitspower are perfect to tie in a 1/4" tube to a 1/2" loop or vice versa. These are easy to install by pushing into your tubing and tubes are secured via clamps. V
£3.19 (incl. VAT)
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XSPC Rigid Brass Tubing 14mm - 0.5m (Black Chrome)
WC-44S-XS
High quality chrome plated brass tubing, for use with XSPC 14mm Rigid Tubing Fittings
£8.99 £7.99 (incl. VAT)
fiber_manual_record In stock
Save 36%
Corsair Hydro X Series XF Hardline 12mm Gold Fittings - Four Pack (CX-9052002-WW)
WC-00H-CS
CX-9052002-WW, Hard Line Fitting, 4 x 12mm OD Fittings, Gold, 2 year Warranty
£24.95 £15.95 (incl. VAT)
fiber_manual_record In stock
Alphacool NexXxoS ST25 Full Copper 360mm Single Fan Radiator - Black
WC-0C1-AC
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1019153, 360mm Radiator, 120mm Fan Support, Thin Radiator, Copper, Black Colour
£69.95 (incl. VAT)
fiber_manual_record In stock
Bitspower Touchaqua Rotary 90-Degree Fitting - Black (2 PCS )
WC-67E-BP
Multi-Link adapter from Bitspower Touchaqua, 90-degree angle, 1x rotatable G1 / 4-inch external thread, 1x G1 / 4 internal thread, Double pack, Black (Glorious Black)
£10.99 (incl. VAT)
fiber_manual_record In stock
Bitspower Touchaqua 25mm Extender Fitting - Silver (2 PCS )
WC-681-BP
Straight 25 mm extension from Bitspower Touchaqua, 1x G1 / 4 inch external and 1x G1 / 4 inch internal thread, 2 pack, Silver (Glorious Silver)
£4.99 (incl. VAT)
fiber_manual_record In stock
EK Water Blocks EK-Quantum Momentum Aorus Z490 Master D-RGB Monoblock - Acetal
WC-A0X-EK
Waterblock for Intel 1200 Sockets. CPU and Mosfet cooling, Acetal Design, 2 Year Warranty
£119.99 (incl. VAT)
fiber_manual_record In stock
Bitspower Hard Tube 14mm Bending Kit
WC-69A-BP
14mm Bending Kit
£64.99 (incl. VAT)
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Save 15%
Hardware Labs Black Ice Nemesis GTS 140 Black Radiator - 140mm
WC-051-BX
Strong black low-profile radiator (29.6 mm) Hardware Labs' Nemesis series with 16 FPI for a 140mm fan.
£52.99 £44.99 (incl. VAT)
fiber_manual_record In stock
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XSPC G1/4" TO 3/8" ID, 5/8" OD Compression Fittings V2 8 Pack - Chrome
WC-488-XS
8 Fittings, Chrome Finish, For 3/8" ID, 5/8" OD Tubing (10mm ID, 16mm OD), Low profile design, G1/4" Thread, Easy tool free coin installation
£39.95 £24.95 (incl. VAT)
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£9.49 £8.99 (incl. VAT)
fiber_manual_record In stock
Bitspower Stop Fitting - Black
WC-219-BP
Stop fitting with locking screw and O-ring for sealing G1/4" thread openings in any water cooling product with this thread pattern. Learn the name; Bitspower Premium water cooling products! Great new
£3.98 (incl. VAT)
fiber_manual_record In stock
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XSPC G1/4" Male to Female Rotary Fitting (Black Chrome)
WC-282-XS
XSPC G1/4" Male to Female Rotary Fitting for use with your Watercooling setup
£4.99 £3.95 (incl. VAT)
fiber_manual_record In stock
Mayhems - PC Cleaning Kit - Blitz System - Coolant Loop Cleaning, For Initial Setup and Coolant Change
WC-104-MH
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125ml Mayhems Blitz Part 2, Rubber gloves, PH test strips, 60ml measuring cup
£21.95 (incl. VAT)
fiber_manual_record In stock
Mayhems - PC Coolant - X1 Concentrate - Eco Friendly Series, UV Fluorescent, 250 ml, Black
WC-042-MH
A smaller concentrated version of Mayhems which allows you to make larger quantities of coolant and saves on shipping fees!
£11.99 (incl. VAT)
fiber_manual_record In stock
Save 68%
Monsoon MMRS M2 Dual-Bay Reservoir to Tube Adapter
WC-313-MO
Monsoon Modular Reservoir System Component (MMRS)
£2.99 £0.95 (incl. VAT)
fiber_manual_record In stock
Monsoon MMRS Dual Bulb CCFL Light for 50mm Tube - Green
WC-42U-MO
Monsoon Modular Reservoir System Component (MMRS)
£0.95 (incl. VAT)
fiber_manual_record In stock
XSPC G1/4" to 3/8" ID, 1/2" OD Compression Fitting (Black Chrome) V2
WC-411-XS
Black Chrome Finish, For 3/8" ID, 1/2" OD Tubing (10mm ID, 13mm OD), Low profile design, G1/4" Thread, Easy tool free coin installation
£4.99 (incl. VAT)
fiber_manual_record In stock
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Phanteks 16mm Hard Tube Adapter 45° - Chrome
WC-01S-PT
16mm Hard Tube Fitting, 45 Degree, Chrome, 5 Year Warranty
£15.95 £4.99 (incl. VAT)
fiber_manual_record In stock
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XSPC Rigid Brass Tubing 14mm - 0.5m (Chrome)
WC-44T-XS
High quality chrome plated brass tubing, for use with XSPC 14mm Rigid Tubing Fittings
£8.99 £7.99 (incl. VAT)
fiber_manual_record In stock
Save 40%
Monsoon Blue Silicon Bending Insert for 13mm Tubing - 40cm
WC-47K-MO
Solid silicone bending insert to prevent the tube from collapsing while you're bending it.
£3.31 £1.99 (incl. VAT)
fiber_manual_record In stock
Bitspower Touchaqua Dual G1/4" Fitting - Black (2 PCS )
WC-67S-BP
Straight extension of Bitspower Touchaqua, Two G1 / 4 inch external threads, 2 pack, Black (Glorious Black)
£3.95 (incl. VAT)
fiber_manual_record In stock
Bitspower Touchaqua 90-Degree Extender Fitting - Silver (2 PCS )
WC-67H-BP
90-degree adapter from Bitspower Touchaqua. 1x G1 / 4-inch external thread, 1x G1 / 4 internal thread, Twin pack, Silver (Glorious Silver)
£9.95 (incl. VAT)
fiber_manual_record In stock
EK Water Blocks EK-Quantum Magnitude Accent - Blue
WC-9XU-EK
Interchangeable aesthetic inner frame for EK's new Magnitude water block, Blue Colour
£19.18 (incl. VAT)
fiber_manual_record In stock
Barrow 14/10mm Rigid PETG Hard Tube 500mm - Clear
WC-09G-BA
PG1410-L, 500mm total (500mm), Hard Tube, Clear
£3.95 (incl. VAT)
fiber_manual_record In stock
Save 14%
Bitspower Metal Tubing Cutting Tool
WC-669-BP
Tube cutter from Bitspower for clean separation of Metal / PVC and PETG TUBING
£14.99 £12.95 (incl. VAT)
fiber_manual_record In stock

Water Cooling


Koolance QD3 Female Quick Disconnect No-Spill Coupling, Compression for 10mm x 13mm (3/8in x 1/2in)

Take your PC’s performance and aesthetics to the next level with custom water cooling. Whether you’re chasing lower temps, silent operation, or a stunning showpiece PC, water cooling offers unbeatable flexibility and results. Overclockers UK stocks a whole host of water-cooling components compatible with the latest Intel, NVIDIA and AMD PC components. You can find CPU and GPU blocks, tubing, fittings, radiators, and reservoirs, all of which work in sync to keep your hardware cool under heavy loads. Plus, with options for soft and hard tubing, vibrant coolants, and powerful pumps, building your perfect loop has never been easier. Whether you're just starting out or you're a seasoned enthusiast, Overclockers UK has everything you need to design, customise, and maintain your ultimate water cooling set-up.


Water-cooling Explained

  • CPU Water Blocks: These sit on top of your processor and transfer heat into the coolant, keeping your CPU running cool under pressure.
  • GPU Water Blocks: Designed to cool your graphics card, these are essential for high-end GPUs or overclocked set-ups where heat output is significant.
  • Radiators: Radiators dissipate heat from the coolant with the help of fans, keeping temperatures low and performance high.
  • Pumps: Pumps move the coolant through your loop, ensuring consistent flow and effective heat transfer across all components.
  • Reservoirs: Reservoirs hold excess coolant and make it easier to fill, bleed, and maintain your water cooling loop.
  • Tubing and Fittings: These connect every component, available in both soft and hard variants depending on your layout and aesthetics. Fittings ensure a secure, leak-free connection between components and come in various types like compression, rotary, and angled for added flexibility.
  • Coolant: Coolant flows through the entire system, with clear, dyed, or additive-enhanced fluids to match your build and prevent corrosion.
  • Distro Plates: Distro plates combine reservoirs and coolant channels into a single component, simplifying loop design and adding visual flair.
  • Quick Releases: Quick-release fittings allow for easy disconnection of components without draining the loop, ideal for upgrades and maintenance.
  • Monitoring Tools: Tools like flow meters, sensors, and temperature probes help you fine-tune performance and ensure optimal system health.


Want to Read More?

Ready to water cool your PC, but unsure where to start? This dedicated article on the Overclockers UK Blog has everything you need to know.

Read More

Water Cooling FAQ


How effective is water cooling?

Water cooling is highly effective, offering superior thermal performance and lower noise levels compared to traditional air cooling, especially in high-performance systems.

Is water cooling really better than air cooling?

Water cooling typically outperforms air cooling in heat dissipation and acoustic performance, making it ideal for overclocked CPUs, GPUs, and enthusiast-level gaming PCs.

What do I need for a custom water cooling loop?

A complete custom loop requires a CPU or GPU block, radiator, reservoir, pump, tubing, fittings, and coolant.

Is custom water cooling hard to install?

Custom water cooling can be complex for beginners, but with planning and the right tools, it’s a rewarding upgrade that offers excellent cooling performance and incredible style.




The Overclockers Difference


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Innovative Products and Exclusive Brands

Overclockers UK not only offers next day delivery on thousands of products but also stocks exclusive brands from cutting-edge manufacturers including AMD, Intel, Asus, Gigabyte, Team Group and an ever-growing range of ultimate performance overclocked elite-tier hardware approved by 8 Pack.

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Industry Leading Customer Support

Whether you are after advice, product information or even aftersales support we are here for you. Overclockers UK offers unparalleled customer service which is available across multiple platforms including telephone, social media, email, webnotes, live chat, and even a dedicated section on Overclockers forum. We even offer a 3 year warranty on our own PC's.

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5 Star Service

Overclockers UK are rated one of the top PC, hardware and peripheral retailers in the country. From premium products to a personal shopping experience. You can trust us to deliver an unbeatable 5-star service


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