Thanks for your reply. Yes this is all the taps.
The DHW pressure from the taps is excellent, would this be the case if the heat exchanger was blocked?
I have a problem with an Ideal Mini C24 (47-348-18) natural gas combi boiler. Just moved house so not sure how old.
The central heating is fine but when the DHW is used the boiler ignites, heats the water for about 2 mins, flashes the green control light 4 x per second and cuts out. It then...