Well, after giving it the weekend to think about things, it has decided that the fix was only to be a one off thing. There is still no call for hot water.
So besides the hot taps draining the pressure head, what else can issue a call for hot water? Is it the honeywell vavles? (doesn't sound...
I have been having problems with my HW system since I came into the new place I am renting for about 2 weeks now. I know I could get the landlord to fix it and have them take the money problems, but I would rather try to understand the problem and make sure it is not something simple to fix...