What you use depends on the flexi connectors you get with the bath and basin taps, that is if you must use flexi's.

This guide covers all you need to know so you can learn how to fit an isolation valve, including how to fit an isolation valve to a copper pipe and how to fit an isolation valve to a plastic pipe. How to fit isolation valves

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You may be unsure how to fit an isolation valve to a push-fit pipe, but adding a valve to a push-fit pipe actually couldn’t be simpler. You just need to follow the above section for ‘how to fit an isolation valve to a plastic pipe’. How to fit isolation valve (push on) Having turned off the water supply in your home, find a place that is fairly accessible should you need to turn off the supply in an emergency, and is also easy for you to work at. While this guide is designed to make fitting an isolation valve easier, it can still be a little too complex for inexperienced DIYers. If your project doesn’t go to plan or you are unsure how to proceed, your best option is to speak to a professional. If your pipes are made from plastic instead of copper, you will need to know how to fit an isolation valve to a plastic pipe. This is done in a similar way to the above copper fitting. In fact, this method is often considerably easier to do given the nature of copper pipes versus plastic.

If the pipework end is a compression fitting, you need a short (60mm) length of copper pipe to connect an ordinary isolating valve to the flexi. Also known as service valves or shut off valves, isolation valves work by stopping the flow of water to a household item, including dishwashers, toilets, sinks, washing machines and showers. This helps you to isolate that fixture allowing you to remove or work on it without flooding your home. We recommend you use a push-fit valve which is a fairly modern system. In addition, there are usually a variety of valves available to suit all standards of workman and budget. When you have finished cutting, file and clean the ends of the pipe where the valve is to be fitted.

Once cut, place the valve within the formed gap, and ensure the pipes are correctly fitted into the valve. Now you’re familiar with isolation valves, you can begin. Firstly, gather the below tools and materials: The ‘handle’ isolation valve features a small thumb type screw that can be turned easily to 90 degrees, whereas the ‘screw’ isolation valve requires a normally flat-headed screwdriver to turn them. How to fit isolation valve to copper pipe There are two types of material that isolation valves can be fitted to, these are copper and plastic. There are also two types of isolation valve available, and these are handle valves and screw valves. Plastic pipes often have a valve-like bottle top that can be turned. Remember to avoid any jagged edges. If in doubt, consult a plumber or someone with more professional tools.