​Hi, my ideal independent c30 boiler is working for heating but every tap/the shower have just a trickle when I turn the hot water on. The pressure gauge is at the right level but I can't work out how to sort out the hot water. The cold water works.

I suspect the problem is a dirty plate heat exchanger. Here is a link to the manual on your boiler. http://idealboilers.com/wp-content/uploads/sites/2/2013/08/Independent+-Installation-Manual.pdf