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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)
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£11.99 (incl. VAT)
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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)
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£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)
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Alphacool NexXxoS HPE-30 Full Copper 280mm Radiator
WC-0CZ-AC
Full Copper Radiator, 140mm Fan Design, Upto four fans, 18 FPI
£84.95 (incl. VAT)
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EK Water Blocks EK-Quantum Torque Pass-Through G1/4 Fitting - Black
WC-AFU-EK
The EK-Quantum Torque Pass-Through G1/4 - Black is a panel-mounted adapter fitting. Equipped with female G1/4" BSP threads on both ends
£9.95 (incl. VAT)
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Alphacool Core 1 Aurora ARGB CPU Water Block - Black
WC-0DH-AC
CPU Water Block, ARGB Lighting, Black, Latest Intel and AMD Socket Support
£109.99 (incl. VAT)
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Alphacool Core 1 Aurora ARGB CPU Water Block - Silver
WC-0DJ-AC
CPU Water Block, ARGB Lighting, Silver, Latest Intel and AMD Socket Support
£109.99 (incl. VAT)
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£11.99 £9.95 (incl. VAT)
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£19.99 (incl. VAT)
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£19.99 (incl. VAT)
fiber_manual_record In stock
£19.99 (incl. VAT)
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£19.99 £14.99 (incl. VAT)
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£19.99 (incl. VAT)
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£19.99 £14.99 (incl. VAT)
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£19.99 (incl. VAT)
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£19.99 (incl. VAT)
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Corsair Hydro Series iCUE LINK XC7 RGB ELITE White CPU Water Block
COO-CRS-00698
CPU Water Block, White, Intel 1700, AMD AM4 and AM5 support, 2 Year Warranty
£99.95 £89.99 (incl. VAT)
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Corsair Hydro Series iCUE LINK XC7 RGB ELITE LCD White CPU Water Block
COO-CRS-00711
CPU Water Block, LCD DIsplay Screen, Intel Socket 1700, AMD AM4 and AM5 Support, 2 Year Warranty
£179.99 £144.95 (incl. VAT)
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EK Water Blocks EK-Quantum Velocity² DDC 4.2 PWM D-RGB - 1700/1851 Nickel + Plexi
COO-EKW-00796
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EK Water Blocks 3831109897539. Type: Water block, Material: Nickel, Perspex, Product colour: Black, Silver. Width: 94.5 mm, Depth: 60.7 mm, Height: 94.5 mm. Quantity per pack: 1 pc(s)
£249.95 £239.99 (incl. VAT)
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EK Water Blocks EK-Quantum Reflection² PC-O11D EVO XL D5 PWM D-RGB Distro Plate - Plexi
COO-EKW-00912
EK Water Blocks 3831109908532. Type: Water block, Material: Perspex, Product colour: Black, Transparent. Quantity per pack: 1 pc(s)
£399.95 (incl. VAT)
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EK Water Blocks EK-Quantum Surface S240 Dual Fan Radiator - Black Edition - 240mm
COO-EKW-00994
240mm Radiator, Comaptible with upto 4 x 120mm Fans, Black Colour, 30mm Thickness
£71.99 £59.99 (incl. VAT)
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EK Water Blocks EK-Quantum Surface S360 Triple Fan Radiator - Black Edition - 360mm
COO-EKW-00995
360mm Radiator, Comaptible with upto 6 x 120mm Fans, Black Colour, 30mm Thickness
£99.95 (incl. VAT)
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Corsair Hydro X Series XT 10/13mm Softline Mesh Tubing 3m - White
COO-CRS-01004
3m Mesh Soft Tubing, 13mm Outer Diameter, 10mm Inner Diameter, White
£16.99 (incl. VAT)
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£7.99 (incl. VAT)
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Barrow Multimode OLED Display Flow / Overheat Alarm - White
COO-BAR-01409
OLED Flow Meter, Overheat Alarm, 40mm Screen
£49.99 (incl. VAT)
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Barrow Multimode OLED Display Flow / Overheat Alarm - Black
COO-BAR-01410
OLED Flow Meter, Overheat Alarm, 40mm Screen
£49.99 £29.99 (incl. VAT)
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Barrow Dazzle Series 45 Degree Rotary Fitting - Shiny Silver
COO-BAR-01412
45 Degree Fitting, Rotary Design, Shinny Silver Design
£6.95 £3.95 (incl. VAT)
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Barrow Dazzle Series 90 Degree Rotary Fitting - Shiny Silver
COO-BAR-01413
90 Degree Fitting, Rotary Design, Shinny Silver Design
£6.95 £3.95 (incl. VAT)
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£69.95 (incl. VAT)
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Barrow OLED Display CPU Waterblock with 17w PWM Pump Intel - Clear / Black
COO-BAR-01418
CPU Water Block, Pump Included, OLED Display, 960LPH, Intel Socket Support
£149.99 £130.79 (incl. VAT)
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EK Water Blocks EK-QuantumX Loophole Distroplate D5 PWM - Black
COO-EKW-01183
3831109908440, EK-QuantumX Loophole Distroplate D5 PWM - Silver is a custom water-cooling reservoir
£379.99 £249.95 (incl. VAT)
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EK Water Blocks EK-QuantumX Loophole Distroplate D5 PWM - Silver
COO-EKW-01184
3831109909379, EK-QuantumX Loophole Distroplate D5 PWM - Silver is a custom water-cooling reservoir
£379.99 £249.95 (incl. VAT)
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Optimus Foundation CPU Block Nickel Cold Plate - Black
COO-OPT-01830
High-end CPU water cooler, Nickel-plated copper radiator, Acrylic lid, for Intel Socket 1700 and 1200
£109.99 £94.99 (incl. VAT)
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Optimus Flex Compression 16/10mm Pro-Xe Nickel Fitting
COO-OPT-01833
Nickel-plated compression fitting from Optimus, For hoses with 16/10 mm OD/ID
£10.99 £8.99 (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.




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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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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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