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Poly Stopcock Isolation Valve - Home Range - 15mm X 25mm

Poly Stopcock Isolation Valve - Home Range - 15mm X 25mm

This brass poly stopcock is designed to isolate and control water flow in domestic and commercial ...

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Westco 15 x 25mm C x C Brass Poly Stopcock Isolation Valve Plumbing Fitting UK

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B&QB&Q - 15mm X 25mm Compression X Compression Brass Poly Stopcock Isolation Valve
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Product Information

Full details

This Home Range Poly Stopcock Isolation Valve is designed for plumbers and DIYers needing to effectively control water flow in domestic and commercial plumbing systems. Its primary benefit is providing a reliable and durable shut-off mechanism for water supply lines. A key consideration is the need for appropriate inserts when connecting to MDPE pipe. The valve features a robust brass body, compression connections, and an easy-to-operate T-handle for manual isolation of water.

All features

Model Part Number5056866124010
BrandHome Range

Extended Product Information

FAQs

What is a poly stopcock isolation valve used for?

It's used to manually control and shut off the flow of water in plumbing systems, essential for maintenance, repairs, or emergencies.

Do I need special tools to install this valve?

You will need appropriate wrenches to tighten the compression fittings. For MDPE pipe, specific inserts compatible with the valve's compression ends are also required.

Can this valve be used for gas lines?

No, this valve is specifically designed for water systems only and should not be used for gas.

How do I connect it to different types of pipes?

It features compression connections. For MDPE pipes, you must use the correct size inserts. For other compatible pipes, ensure they are suitable for compression fittings.

What does the '15mm x 25mm' size refer to?

It refers to the size of the compression connections on each end of the valve. One end is 15mm, and the other is 25mm, indicating the size of the pipe or fitting it can connect to.

Is this valve suitable for underground use?

Yes, it is suitable for both internal and external water supply installations, including underground applications, provided it is installed correctly and protected from excessive stress or damage.

How often should I operate the valve?

It is recommended to operate the T-handle at least every six months to ensure it remains free-moving and functional when needed.

Troubleshooting

Leak at compression fitting

Turn off water supply. Slightly tighten the compression nut. If the leak persists, disassemble the fitting, check the pipe end for damage, ensure the olive/insert is correctly seated, and reassemble. Ensure correct inserts are used for MDPE pipe.

T-handle is stiff or difficult to turn

Ensure the valve is fully open or closed. Operate it back and forth a few times. If still stiff, it may require lubrication or replacement, especially if it has been left in one position for an extended period.

Water flow not fully stopping

Ensure the T-handle is turned to the fully closed position. Check for debris inside the valve mechanism by shutting off the water, removing the stopcock, and flushing the pipe. If the valve seat is damaged, the stopcock may need replacement.

Pros and Cons

Pros

  • Durable brass construction for longevity.
  • Secure compression fittings prevent leaks.
  • Easy to operate with a T-handle design.
  • Versatile for various plumbing installations.
  • Provides reliable manual water shut-off.

Cons

  • Requires specific inserts for MDPE pipe connections.
  • Manual operation means no automatic shut-off.
  • Size is fixed and may not suit all pipe configurations.

Setup, Compatibility & Care

Setup:

  1. Ensure the main water supply is turned off before installation.
  2. For MDPE pipes, ensure you have the correct size compression fittings and inserts compatible with the 15mm and 25mm compression ends of the stopcock.
  3. Slide the nut and olive (if applicable) onto the pipe.
  4. Insert the appropriate fitting or insert into the stopcock.
  5. Push the pipe firmly into the stopcock's compression fitting.
  6. Hand-tighten the compression nut, then use a wrench to tighten it an additional 1-1.5 turns to create a secure seal. Do not overtighten.
  7. Repeat for the other end of the stopcock.
  8. Slowly turn the main water supply back on and check for leaks at the connections.

Compatibility:

  • Suitable for use with MDPE (Medium Density Polyethylene) pipe when the correct inserts are used.
  • Compatible with other pipe materials that can accept standard compression fittings.
  • Designed for cold and hot water supply lines.

Care:

  • Regularly check connections for any signs of leakage.
  • Operate the T-handle periodically (e.g., every 6 months) to prevent it from seizing.
  • Clean the exterior with a damp cloth if necessary. Avoid abrasive cleaners.

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