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Don't both of these sentences say the same thing Tony???? which is right and which is wrong. And PLEASE dont patronise the woman. I'm sure she's after some info for fear of being ripped off.

Hi Karen. I've just had something similar go wrong with mine. My combi is a different model so maybe one of the experts will correct me if i'm wrong. I was advised to replace the 'hot water pressure assembly'. I did this and also replaced a microswitch that is attached to it. Sorted the...

So, are you saying that the bottom pin should retract without any resistance??? Like i said the top pin for the dhw operates freely and hits the microswitch to give warm but not hot water. The bottom pin operates to hit the microswitch for c/h but is sluggish to return, but is that a...

just to update as i've had a better look at the boiler as been off today. I took both the microswitches off and watched the pins. When i ran the hot tap the top pin came out really easily. Switched the hot tap off and it retracted with no probs. Tried the same with the heating. Here the...

THanks Mr Agile for those wonderous 'pearls of wisdom'. Upon reading my post i have gotten it a little wrong - i apologise - a long,long day at work prior to my first post. So. i'll begin correctly again. The hot water actually runs cold. I can get a very hot 'slug' from the preheat store...

Hi everyone. This is my first post so i hope you can all help me. The hot water is this combi is over heating and is being diverted through the heating system (this includes when heating is off). Phoned a local guy (obviously cant come out ) who thinks it must be a sticking microswitch...