You can get Hotpoint technical support using the dishwasher forum where dishwasher engineers will help you if they can. There is also more help on repair your dishwasher in the dishwasher self help section.
Finding Hotpoint dishwasher parts can be hard as they are often very specific to a model or even a production run, even if they look alike.
Please see this page for general help in how to get the correct Hotpoint dishwasher spare parts that you need.
If you need help with any Hotpoint spare part please ask for assistance as we're only too happy to help you.