No idea about your specific model but most timers have a standard backplate, all you do is buy a new timer, unscrew the two screws on the bottom of your existing one, pull out from the bottom and push up. Fit your new one in the reverse of removal and it should work.
HI... they cost betweem £40-£50 and anyone can do the job as long as they have means to test that the boiler is correctly isolated from the electricity supply before any work is done. If you get someone in expect to pay approx £100.
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