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The door has just recently been replaced by a glazing company, the issue was also present before the door was changed.

Dear forum members, I have an issue with damp patches on the kitchen exterior wall which do not appear to be related to weather conditions, photos attached below . Usually the pattern is it’s very damp in the morning and then dries off during the day, so I noticed it when leaving for work in...

Dear forum members, I have an issue with damp patches on the kitchen exterior wall which do not appear to be related to weather conditions, photos attached below . Usually the pattern is it’s very damp in the morning and then dries off during the day, so I noticed it when leaving for work in...

3 wires

I think I have figured this out. The diverter valve syncronous motor (just been replaced) isn't moving the valve far enough. When CH+HW is being demanded it's in a midflow position. If I manually move the valve so that it latches everthing works fine. What would cause this? has the time unit failed?

Just a thought but does this look like a store as opposed to just a simple tank? If's it's a store where is the heat exchanger, would it be inside the tank?

What's the ultimate solution to this, new tank?

I've been monitoring the system for a few days. I did an experiemnt I set the timer on an to HW only. After 30minute everything was fine and nice hot water at the taps. I then set the timer to HW+CH and immediately the HW ouput from the tank store goes stone cold. The CH heating warms up I let...

What I can read off this component is as follows; Zilmet model z50 total capacity 0.5l preloading pressure 3.5bar expansional vessel, max working pressure 10bar, testing pressure 15bar,

Top half, there is only one pipe as you can see. It a cold feed, perhaps directly from the mains? There is no other tank in the house. I’m wondering what the dome thing is on the right, earlier pictures? I know the lower box is the thermo couple. Does HW come straight out of the store or is it...

How do you set the bypass valve correctly what is the procedure? Any comments about the installation menthod of the diverter valve motor? Thanks.

Correct me if wrong but normally I would want this closed?

Hi i'm hoping someone may be able to offer some advice. I replaced a diverter valve motor on my hot water/ central heating system. I’d been meaning to do for some time, up until now I’d been manually sliding it with the level to get HW, CH or both and this worked just fine. Now as far as I...