Where do the shower feeds come from? The cold should be a dedicated supply from the cws in the loft NOT cut into the hot water cylinder down service and the hot should be from an essex, surrey or salamander 's' flange.
If you need to find a tradesperson to get your job done, please try our local search below, or if you are doing it yourself you can find suppliers local to you.
Select the supplier or trade you require, enter your location to begin your search.
Are you a trade or supplier? You can create your listing free at DIYnot Local