Best 15mm Isolation Valve of 2026

Last updated on 04/04/2026

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Pipestation 15mm Isolation Valve, 2 Pack with Red & Blue Handle - Lever Compression Fitting Shut Off Iso Valve - WRAS Approved - Large Bore for Increased Flow - Compression Olives Included

Pipestation 15mm Isolation Valve, 2 Pack with Red & Blue Handle - Lever Compression Fitting Shut Off Iso Valve - WRAS Approved - Large Bore for Increased Flow - Compression Olives Included

Precise control over flow.
Great value double pack.
Quick, easy installation process.

Main Highlights

ENHANCED CONTROL - Our lever ball valves offer precise control over your heating and water pipework, allowing you to regulate flow effortlessly and efficiently.
VALUE-PACKED - Get more for your money with our convenient pack of 2 valves for hot and cold pipes, providing great value and ensuring you have everything you need for your plumbing projects.
MAXIMUM FLOW - Featuring a large bore, our ball valves facilitate increased flow, ensuring optimal performance and smooth operation for your piping systems.
QUICK INSTALLATION - Experience hassle-free setup with our quick and easy installation process, saving you time and effort during installation.
CERTIFIED QUALITY - Rest assured with our WRAS approved product, guaranteeing the highest standards of quality, safety, and reliability for your peace of mind.

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Pipestation 15mm Isolation Valve, 2 Pack with Red & Blue Handle - Lever Compression Fitting Shut Off Iso Valve - WRAS Approved - Large Bore for Increased Flow - Compression Olives Included

Precise control over flow.
Great value double pack.
Quick, easy installation process.

Main Highlights

ENHANCED CONTROL - Our lever ball valves offer precise control over your heating and water pipework, allowing you to regulate flow effortlessly and efficiently.
VALUE-PACKED - Get more for your money with our convenient pack of 2 valves for hot and cold pipes, providing great value and ensuring you have everything you need for your plumbing projects.
MAXIMUM FLOW - Featuring a large bore, our ball valves facilitate increased flow, ensuring optimal performance and smooth operation for your piping systems.
QUICK INSTALLATION - Experience hassle-free setup with our quick and easy installation process, saving you time and effort during installation.
CERTIFIED QUALITY - Rest assured with our WRAS approved product, guaranteeing the highest standards of quality, safety, and reliability for your peace of mind.

Value for Money

15mm Isolation Valves - Vancoco 10pcs Isolation Valves Compression Ends

15mm Isolation Valves - Vancoco 10pcs Isolation Valves Compression Ends

Corrosion-resistant brass material.
Smooth and safe handling.
Leak-proof precision engineering.

Main Highlights

BRASS MATERIAL: Vancoco isolation valve is made of premium brass, which is corrosion-resistant, high-temperature resistant, explosion-proof, crack-proof and durable. Features 15mm compression fittings for easy installation.
SMOOTH AND SAFE HANDLING: The chamfer on the outer circle eliminates sharp edges, providing a smooth touch that is safe and user-friendly.
THICKENED DESIGN: The thickened main body of isolation valve is designed for increased strength and pressure resistance. The uniform wall thickness adds to its robustness, making it resistant to damage and ensuring longevity.
LEAK-PROOF DESIGN: Precision-engineered threads combined with compressed peridot create a secure fit that prevents water leakage.
PACK OF 10: Isolation valve can be installed within the system to create a separate water circuit. This allows you to perform maintenance or work on specific parts of the water supply system without the need to interrupt the supply to the entire system.

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15mm Isolation Valves - Vancoco 10pcs Isolation Valves Compression Ends

Corrosion-resistant brass material.
Smooth and safe handling.
Leak-proof precision engineering.

Main Highlights

BRASS MATERIAL: Vancoco isolation valve is made of premium brass, which is corrosion-resistant, high-temperature resistant, explosion-proof, crack-proof and durable. Features 15mm compression fittings for easy installation.
SMOOTH AND SAFE HANDLING: The chamfer on the outer circle eliminates sharp edges, providing a smooth touch that is safe and user-friendly.
THICKENED DESIGN: The thickened main body of isolation valve is designed for increased strength and pressure resistance. The uniform wall thickness adds to its robustness, making it resistant to damage and ensuring longevity.
LEAK-PROOF DESIGN: Precision-engineered threads combined with compressed peridot create a secure fit that prevents water leakage.
PACK OF 10: Isolation valve can be installed within the system to create a separate water circuit. This allows you to perform maintenance or work on specific parts of the water supply system without the need to interrupt the supply to the entire system.

TC 15mm Compression Isolation Valve with Black Lever Handle Thumb Turn Bolofix Isolating Valve WRAS Approved - Pack of 5

TC 15mm Compression Isolation Valve with Black Lever Handle Thumb Turn Bolofix Isolating Valve WRAS Approved - Pack of 5

22.5 Team Controls

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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22.5 Team Controls

TC 15mm Compression Isolation Valve with Black Lever Handle Thumb Turn Bolofix Isolating Valve WRAS Approved - Pack of 5

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

10 x 15mm Isolation Valves Chrome WRAS Approved Reeds

10 x 15mm Isolation Valves Chrome WRAS Approved Reeds

WRAS Approved for reliability.
15mm compression connections.
Elegant chrome finish.

Main Highlights

15mm Isolating Valve - Pack of 10
WRAS Approved
15mm compression connections
Isolating Valve is 15mm size and has a chrome finish

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10 x 15mm Isolation Valves Chrome WRAS Approved Reeds

WRAS Approved for reliability.
15mm compression connections.
Elegant chrome finish.

Main Highlights

15mm Isolating Valve - Pack of 10
WRAS Approved
15mm compression connections
Isolating Valve is 15mm size and has a chrome finish

TC Pack of 2 x 15mm Lever Ball Valve Full Bore Compression Isolation Valve Red/Blue Dual Handle Shut Off Isolating Valve Full Flow - WRAS Approved

TC Pack of 2 x 15mm Lever Ball Valve Full Bore Compression Isolation Valve Red/Blue Dual Handle Shut Off Isolating Valve Full Flow - WRAS Approved

22.5 Team Controls

Versatile for hot and cold.
Easy handle change options.
WRAS approved for confidence.

Main Highlights

Pack of 2 x 15mm Full Bore Lever Ball Valve
Supplied with easy changeable Handle Option Red & Blue
WRAS Approved
Easy Changeable handle Option Supplied with Each Valve
Suitable for HOT & COLD Water system
Suitable for All Type Heating and Main Water systems
Compression On Both Ends - Olives & Nuts Included

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22.5 Team Controls

TC Pack of 2 x 15mm Lever Ball Valve Full Bore Compression Isolation Valve Red/Blue Dual Handle Shut Off Isolating Valve Full Flow - WRAS Approved

Versatile for hot and cold.
Easy handle change options.
WRAS approved for confidence.

Main Highlights

Pack of 2 x 15mm Full Bore Lever Ball Valve
Supplied with easy changeable Handle Option Red & Blue
WRAS Approved
Easy Changeable handle Option Supplied with Each Valve
Suitable for HOT & COLD Water system
Suitable for All Type Heating and Main Water systems
Compression On Both Ends - Olives & Nuts Included

Pipestation Heavy Duty 15mm Full Bore Butterfly Valve with Red and Blue Handles Stop Tap Shut Off Stopcock Isolation Iso Bolofix T Bar

Pipestation Heavy Duty 15mm Full Bore Butterfly Valve with Red and Blue Handles Stop Tap Shut Off Stopcock Isolation Iso Bolofix T Bar

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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Pipestation Heavy Duty 15mm Full Bore Butterfly Valve with Red and Blue Handles Stop Tap Shut Off Stopcock Isolation Iso Bolofix T Bar

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

TC Isolation Valve Chrome Isolating Valve 15mm Compression WRAS Approved Pack of 5

TC Isolation Valve Chrome Isolating Valve 15mm Compression WRAS Approved Pack of 5

22.5 Team Controls

Easy installation.
Hot or cold use.
Pack of five.

Main Highlights

15mm Isolation valves Screw Type - Compression Ends
Can be used on hot or cold water systems.
Pack of 5
Easy 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
WRAS Approved -15mm Isolation Valve pack, compliant with industry standards for quality and safety. Perfect for heating and water systems, guaranteed reliability
Each pack comes with compression olives for added convenience, ensuring a secure and leak-free connection

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22.5 Team Controls

TC Isolation Valve Chrome Isolating Valve 15mm Compression WRAS Approved Pack of 5

Easy installation.
Hot or cold use.
Pack of five.

Main Highlights

15mm Isolation valves Screw Type - Compression Ends
Can be used on hot or cold water systems.
Pack of 5
Easy 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
WRAS Approved -15mm Isolation Valve pack, compliant with industry standards for quality and safety. Perfect for heating and water systems, guaranteed reliability
Each pack comes with compression olives for added convenience, ensuring a secure and leak-free connection

Visua 15mm Compression Isolation Valves - Pack of 4

Visua 15mm Compression Isolation Valves - Pack of 4

Corrosion-resistant and durable construction.
Secure fit prevents water leakage.
Great value with four-pack option.

Main Highlights

CHROMED BRASS: Visua isolation valve is made of premium Chromed Brass, which is corrosion-resistant, high-temperature resistant, crack-proof and durable.
LEAK PROOF: Precision-engineered threads combined with compression rings create a secure fit that prevents water leakage.
PACK OF 4: Better Value four Pack

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Visua 15mm Compression Isolation Valves - Pack of 4

Corrosion-resistant and durable construction.
Secure fit prevents water leakage.
Great value with four-pack option.

Main Highlights

CHROMED BRASS: Visua isolation valve is made of premium Chromed Brass, which is corrosion-resistant, high-temperature resistant, crack-proof and durable.
LEAK PROOF: Precision-engineered threads combined with compression rings create a secure fit that prevents water leakage.
PACK OF 4: Better Value four Pack

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 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

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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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

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.

Large Bore 15mm Isolation Valve with Butterfly Handle

Large Bore 15mm Isolation Valve with Butterfly Handle

Large bore for efficient flow.
Easy installation with compression fittings.
Color-coded handles for convenience.

Main Highlights

This listing is for a Pack of 1
Large Bore for increased water flow
This full bore isolation valve has 15mm compression fittings at each end
This full bore valve is supplied with red and blue handle markers
Butterfly handle for each of use

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Large Bore 15mm Isolation Valve with Butterfly Handle

Large bore for efficient flow.
Easy installation with compression fittings.
Color-coded handles for convenience.

Main Highlights

This listing is for a Pack of 1
Large Bore for increased water flow
This full bore isolation valve has 15mm compression fittings at each end
This full bore valve is supplied with red and blue handle markers
Butterfly handle for each of use

We scanned 1148 products

We reviewed these offers relevant to the 15mm Isolation Valve within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like Pipestation, VANCOCO, 22.5 Team Controls, Reeds, Visua, Primaflow, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best 15mm Isolation Valve in the market, we considered we took a deep dive into 5741 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is Pipestation 15mm Isolation Valve, 2 Pack with Red & Blue Handle - Lever Compression Fitting Shut Off Iso Valve - WRAS Approved - Large Bore for Increased Flow - Compression Olives Included. We love many things about this product by Pipestation. What sets it apart from the competition is Precise control over flow, Great value double pack, Quick, easy installation process.
The best value product for most shoppers and where user satisfaction is continuously the highest is 15mm Isolation Valves - Vancoco 10pcs Isolation Valves Compression Ends by VANCOCO based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for 15mm Isolation Valve and the best cost-to-value ratio is TC Pack of 2 x 15mm Lever Ball Valve Full Bore Compression Isolation Valve Red/Blue Dual Handle Shut Off Isolating Valve Full Flow - WRAS Approvedat 22.5 Team Controls with a 4% discount.
Our list of the best 15mm Isolation Valve is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.