DISCLAIMER:
This video is only intended for use by qualified Gas Safe Registered engineers. You must not attempt any work on your boiler if you are not qualified. You must always carry out 26.9 checks upon completion of works on a boiler.

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A Worcester PRV in less than 45mins? Impossible you say? Not if you have the right access!

With this method you can remove the cold connection off the scale reducer or isolation valve, or if the cold is straight piped then just turn off the mains, cut the cold and then remake up again with a compression coupling, or just add in your own isolation valve whilst you're at it.

This method will only work as long as the boiler isn't rear-piped, as otherwise the return pipe usually sits behind the PRV and can make it difficult getting it out and new one in.

I'd advise investing in 11" long nose pliers. You can get a set of 4 with different angles off eBay for around £10ish so definitely worth getting for your toolbox.

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