Best Plumbing Isolation Valves of 2025
Last updated on 20/09/2025
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Best Choice
1
UKDD® 15mm Isolation Ball o fix Valves Straight Full Bore Black Lever Suitable HOT & Cold WRAS Approved (Pair)
UKDeals Direct
8% Off
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UKDeals Direct
UKDD® 15mm Isolation Ball o fix Valves Straight Full Bore Black Lever Suitable HOT & Cold WRAS Approved (Pair)
8% Off
Why we love it
- Chrome and black finish.
- Easy to install.
- Highly versatile function.
Main Highlights
- 15mm Chrome Full Bore Isolation Valve With Solid Black Lever
- Easy Fix to 15mm Pipe Work Compression
- Supplied in Pack of 2 Chrome Valve
- Suitable for HOT & COLD WATER SYSTEM
- 1/4" Thumb Turn shut off WRAS and BS approved
- Supply with Nut & Olives
- Black Easy Thumb Turn Handle
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Value for Money
2
Pipestation Heavy Duty 15mm Full Bore Butterfly Valve with Red and Blue Handles Stop Tap Shut Off Stopcock Isolation Iso Bolofix T Bar
Pipestation
Free Shipping
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Pipestation
Pipestation Heavy Duty 15mm Full Bore Butterfly Valve with Red and Blue Handles Stop Tap Shut Off Stopcock Isolation Iso Bolofix T Bar
Free Shipping
Why we love it
- Great value for money.
- Easily fitted without soldering.
- No restriction on flow.
Main Highlights
- The Pipestation 15mm Isolation Valve offers Great value for money.
- These are easily fitted to 15mm Pipework without the need for soldering.
- High quality 15mm Valve for isolation of water.
- Suitable for both hot and cold water.
- Simple to use, quickly and easily turned on or off for isolation of water services.
- Full Bore - No restriction on Water Flow
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3
QQHL Lever 15mm Large Bore Tee Isolation Valve- Chrome Plated - Full Flow
Primaflow
7% OffFree Shipping
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Primaflow
QQHL Lever 15mm Large Bore Tee Isolation Valve- Chrome Plated - Full Flow
7% OffFree Shipping
Why we love it
- Effortless water flow control.
- User-friendly handle design.
- Full bore for maximum efficiency.
Main Highlights
- 15mm isolating valve
- 15mm isolating valve with handle
- 15mm full bore isolating valve with handle
- 15mm isolating tee valve
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4
1 x WRAS Approved 300mm 15mm Compression with Isolation Valve x 1/2" Flexible Pipe Connector Stainless Steel Braided
Xcel Home
Free Shipping
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Xcel Home
1 x WRAS Approved 300mm 15mm Compression with Isolation Valve x 1/2" Flexible Pipe Connector Stainless Steel Braided
Free Shipping
Why we love it
- High pressure water systems suitable.
- Rust, corrosion and lead free.
- Easily control water supply.
Main Highlights
- 1 x Xcel Home WRAS Approved 15mm (compression) with isolation valve x 1/2 BSP 300mm long flexi pipe connectors.
- Large 10mm inner bore. Suitable for high pressure water systems.
- Safe for water drinking. 304 long life stainless steel braided flexible hoses. Rust, corrosion and lead free.
- Standard UK 1/2” BSP Fitting for connecting 15mm male plumbing fittings. Compression fitting connects to 15mm copper pipe end.
- Isolation valve for easily turning on / off water supply without having to turn off mains. 15 bar max working pressure with 85°C max temp.
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5
TC 15mm Compression Isolation Valve with Black Lever Handle Thumb Turn Bolofix Isolating Valve WRAS Approved - Pack of 5
22.5 Team Controls
4% OffFree Shipping
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22.5 Team Controls
TC 15mm Compression Isolation Valve with Black Lever Handle Thumb Turn Bolofix Isolating Valve WRAS Approved - Pack of 5
4% OffFree Shipping
Why we love it
- Quick and easy installation.
- Perfect for hot and cold.
- Pack of five valves included.
Main Highlights
- 15mm Isolation Valve Handled ideal for working with heating and water pipework.
- Quick and easy installation.
- 15mm isolating valve with handle
- Can be used with Hot and Cold Water
- Includes Compression Olives.
- Pack of 5
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6
TC 15mm Compression Isolation Valve Full Bore with Black Lever Handle Thumb Turn Bolofix Isolating Valve - Pack of 2
22.5 Team Controls
4% Off
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22.5 Team Controls
TC 15mm Compression Isolation Valve Full Bore with Black Lever Handle Thumb Turn Bolofix Isolating Valve - Pack of 2
4% Off
Why we love it
- Versatile for hot and cold.
- Enhanced flow with full bore.
- Effortless operation with lever.
Main Highlights
- Suitable for use with hot and cold water
- Full bore for better flow
- Easy to use
- Chrome finish
- Pack of 2
- 15mm Chrome Full Bore Isolation Valve With Solid Black Lever
- Use for isolating or restricting water supply with a simple to use quarter turn lever
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7
Pipestation Isolation Valve 15mm (2 Pack) | 15mm Isolation Valves | WRAS Approved Plumbing Fittings | Chrome Valves Compression | Fitting Stopcock and Stop Tap Water Shut Off Valve - Easy Installation
Pipestation
Free Shipping
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Pipestation
Pipestation Isolation Valve 15mm (2 Pack) | 15mm Isolation Valves | WRAS Approved Plumbing Fittings | Chrome Valves Compression | Fitting Stopcock and Stop Tap Water Shut Off Valve - Easy Installation
Free Shipping
Why we love it
- WRAS approved for reliability.
- Quick and easy installation.
- Simple quarter-turn operation.
Main Highlights
- WRAS APPROVED - Ensure peace of mind with Pipestation's 15mm Isolation Valve twin-pack, compliant with industry standards for quality and safety. Perfect for heating and water systems, guaranteed reliability.
- QUICK INSTALLATION - Our plumbing fittings are designed for easy installation in any 15mm pipework setup. Save time and effort with hassle-free assembly, allowing you to focus on your plumbing project without delays.
- EASY ISOLATION - Experience effortless control with our quarter-turn valves, enabling quick and simple isolation of your plumbing system. Perfect for maintenance or repairs, providing convenient access to shut off water flow whenever needed.
- VERSATILE USAGE - These isolation valves are suitable for use with both hot and cold pipes, offering flexibility and compatibility with various plumbing applications. Ensure smooth operation and efficient flow control in any setting.
- INCLUDED COMPRESSION OLIVES - Each pack comes with compression olives for added convenience, ensuring a secure and leak-free connection. Trust in Pipestation for quality components that enhance the performance of your plumbing system.
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8
Pipestation 15mm Isolation Valve (2 Pack) | Isolation Valve 15mm X 1/2" | Bolofix Male Iron Flat Faced Isolator Valves for Tap Connector Flexi Pipes for Hot and Cold Water Systems - Easy Installation
Pipestation
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Pipestation
Pipestation 15mm Isolation Valve (2 Pack) | Isolation Valve 15mm X 1/2" | Bolofix Male Iron Flat Faced Isolator Valves for Tap Connector Flexi Pipes for Hot and Cold Water Systems - Easy Installation
Free Shipping
Why we love it
- Versatile for various plumbing applications.
- Quick and easy installation.
- Compatible with copper and plastic.
Main Highlights
- VERSATILE APPLICATION - The 15mm isolation valve is perfect for various plumbing applications, ensuring effective water control in both hot and cold water systems.
- EASY INSTALLATION - Designed for quick and easy installation, this flat-faced isolation valve simplifies the process of connecting flexible tap connectors to water pipes.
- RELIABLE PERFORMANCE - Whether for new installations or emergency repairs, this isolation valve delivers reliable performance to meet your plumbing needs.
- COMPATIBILITY - Compatible with both copper and plastic pipes, providing flexibility and convenience in your plumbing projects.
- DURABLE CONSTRUCTION - Crafted with quality materials, this isolating valve offers long-lasting durability for peace of mind in your plumbing system.
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9
Pipestation 15mm Isolation Valve, 1 Pack with Red & Blue Handle - Lever Compression Fitting Shut Off Iso Valve - WRAS Approved - Large Bore for Increased Flow - Compression Olives Included
Pipestation
Free Shipping
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Pipestation
Pipestation 15mm Isolation Valve, 1 Pack with Red & Blue Handle - Lever Compression Fitting Shut Off Iso Valve - WRAS Approved - Large Bore for Increased Flow - Compression Olives Included
Free Shipping
Why we love it
- WRAS approved and reliable.
- Quick, effortless operation.
- Optimised flow design.
Main Highlights
- WRAS APPROVED - Our 15mm isolation valve is WRAS approved, ensuring it meets the highest standards for compatibility with heating and hot & cold water pipework systems.
- WRAS APPROVED - Our 15mm isolation valve is WRAS approved, ensuring it meets the highest standards for compatibility with heating and hot & cold water pipework systems.
- VERSATILE USE - Suitable for both hot and cold water pipes, our isolation valve offers flexibility and convenience for various plumbing applications.
- QUICK OPERATION - With its 1/4 turn operation, our valve provides quick and effortless water isolation, eliminating the need for screwdrivers and simplifying maintenance tasks.
- OPTIMISED FLOW - Experience enhanced water flow with our valve's full bore design, allowing for maximum efficiency and performance in your plumbing system.
- COMPLETE PACK - Each pack includes 1x isolation valve with compression olives, along with 1x red and 1x blue handle, providing everything you need for installation and operation.
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10
Kudos-Trading - 15mm Compression Lever Isolation Valve Heavy Duty Brass Shut Off Valve for Pipe Sealing Easy Installation & Leak-Proof Design Ideal for Plumbing Heating & Water Supply Applications
Kudos-Trading
Free Shipping
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Kudos-Trading
Kudos-Trading - 15mm Compression Lever Isolation Valve Heavy Duty Brass Shut Off Valve for Pipe Sealing Easy Installation & Leak-Proof Design Ideal for Plumbing Heating & Water Supply Applications
Free Shipping
Why we love it
- Durable and long-lasting.
- Precise flow control.
- Easy to install.
Main Highlights
- Robust Construction. Crafted from high grade materials, this 15mm isolation valve ensures durability and longevity, making it a reliable choice for both residential and commercial plumbing applications. Its sturdy build guarantees resistance to wear and tear, ensuring a long service life.
- Precision Flow Control. Designed with meticulous attention to detail, the valve offers precise control over the flow of water or other fluids. Its calibrated mechanism ensures that users can achieve the desired flow rate with minimal effort, enhancing the efficiency of any system it's integrated into.
- Easy Installation. The 15mm isolation valve boasts a user-friendly design that facilitates hassle-free installation. Whether you're a professional plumber or a DIY enthusiast, the straightforward setup process ensures that the valve can be securely fitted in no time.
- Safety First. Engineered with safety in mind, the valve features a secure shut off mechanism that effectively prevents any unwanted leaks or spills. This feature not only safeguards the surrounding environment but also ensures that the system operates without any hitches.
- Compact Design. Despite its robust features, the 15mm isolation valve sports a compact design that makes it suitable for tight spaces. This ensures that it can be seamlessly integrated into a variety of plumbing configurations without occupying excessive space.
- Corrosion Resistant. The materials used in the construction of the valve are specifically chosen to resist corrosion. This means that even in environments with high moisture or exposure to various chemicals, the valve remains unaffected, ensuring consistent performance.
- Eco friendly. Conscious of our environmental responsibilities, the 15mm isolation valve is designed to minimize wastage. Its efficient operation ensures that there's minimal loss of water or other fluids, contributing to sustainable and eco friendly practices.
- Maintenance Ease. With its intuitive design, the valve requires minimal maintenance. Any potential issues can be easily diagnosed and rectified, ensuring that the valve remains in optimal working condition throughout its lifespan.
- Versatile Applications. Suitable for a wide range of applications, the 15mm isolation valve can be used in various settings, from household plumbing systems to industrial setups. Its versatility makes it a go to choice for diverse plumbing requirements.
- Cost effective Solution: Offering a perfect blend of quality and affordability, the 15mm isolation valve provides an economical solution for those seeking reliable flow control. Its long lasting build ensures that users get value for their money, making it a wise investment for any plumbing system.
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