That's the wrong part number but the correct fitting is shown on the Plumber's mate website.The Plumbers mate in Eastbourne and online have them - 3.1/2 soil to 4 inch Mc Alpine
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