Oops, thanks Dave for your smart comments which were really useful, how about giving me some advice as to what the problem could be with the RAVENHEAT RSF 820-20 boilers hot water system. Edna.
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.
Please select a service and enter a location to continue...
Are you a trade or supplier? You can create your listing free at DIYnot Local