Well do I feel silly now - lol
Yep it does exactly as you suggest, the only difference is that if you turn the preheat to off the hot water is a little cooler when up to temperature than when the preheat is on.
Many thanks for your speedy response
Steve
Hi, firstly apologies but I have searched the forums but don't seem to be able to find an answer to my problem.
I have a baxi combi 105e which works fine except for after running hot water the boiler seems to 'run on' in hot water mode for upto 2 minutes.
What happens is when hot water is...