You should read again about cleaning the system or fitting a filter to stop it happening again! Or just clean the old one ready to change it back in the future. Dont let it dry out deal with it now!
Tony
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