Radiator Valve Change Kit

Product Information

Please note:Our ‘How-To’ manuals are intended only as a guide to assist you with common home heating tasks. Sometimes copper pipes can be anything between 8mm – 28mm depending on where they are in your home and the age of the building. So, to remove your lockshield valve, use a spanner to slacken off the top nut closest to the radiator like you did in step 5.

Just like designer radiators have become much better looking over time, there’s now a stylish selection of radiator valves to choose from to suit your home decor. Now use the spanner and grips and turn the nut anticlockwise to loosen the nut on the bottom of the valve that connects to the pipework and remove the valve. If you’re unsure on the dimensions we would always recommend checking your requirements with your plumber to make sure you have everything you need to change your radiator valve with no issues. Use a spanner to slacken off the top nut closest to the radiator to open the old thermostatic valve. Since the radiator has been drained and refilled you will need to re-pressurise the system to ensure everything is working correctly.Use a container underneath the valve to catch any drips but all of the water should have been drained from the radiator. Note down the number of turns it took to turn the lockshield off as you will need to make the same number of turns when you connect the new lockshield and turn it back on. When all the water has drained from the radiator, keep unscrewing the nut until you can pull the valve out of the radiator to disconnect it. Whether the radiator valve is leaking or stuck in the same position, a faulty radiator valve can cause problems with your whole heating system.

Since radiator valves play a significant part in how well central heating radiators operate, and as most of them are visibly on show in our homes, changing your radiator valves is a great way to improve the performance, efficiency and overall look of your heating system. If that’s the case, head over to our how to drain a pressurised system guide then come back here to learn how to fit the new valve.If you think the task of trying to avoid flooding the room whilst changing your radiator valve is too much to handle, there is an alternative method to do the job without draining the system. Jess has a passion for interior design and wants to inspire people to look at radiators as home decor. The other valve on the flow pipe is essentially the on/off tap which can either be a manual or thermostatic radiator valve (TRV) with a numbered dial.

But if you only want to change your thermostatic or manual valve then you can skip to the final maintenance section. A very useful kit which comprises of 2 patented rubber bungs, key pattern fixing clip and a radiator bleed key and is used for changing radiator valves without draining down the system. Once the old thermostatic valve or manual is open, air will escape and water will flow out of the radiator. Use a large container or wet and dry vacuum to catch the water that flows out of the radiator until there is no water left inside. To do this, hold the body of the valve with the grips and use an adjustable spanner to make an upwards turn and unscrew the cap nut until water starts to flow out.Most radiators have two radiator valves that connect the radiator to the pipes and allow hot water to enter the radiator and control how much heat is given out.