About £23 I expect. It might be possible to just clean it.
I once spend an evening with this Jewish taxi driver. About two hours on his SD boiler and another hour enjoying the Chinese take away and his jewish/taxi jokes.
Much as I enjoyed the evening with him I declined to go back when it failed a couple of weeks later.
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