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Please see attached the photo. The old roof was covered in newly installed zinc roof with a slight angle. The verdic is that the overflowing water found its way down the vent when the drainage was blocked by debris.

Thanks! The cause of the leak was debris blocking the drainage. We would greatly appreciate any advice on the correct internal repair procedure, and what to look out for during the reinstatement process to avoid any potential shortcuts or oversights carried out by the contractors.

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Hello everyone, Four weeks ago, we experienced a troublesome roof leak in our top-floor flat, resulting in water seeping in through the ceiling, space between external walls and drywalls, the fireplace, affecting floors and causing electrical failures in some power sockets. Thankfully, we've...

Please see attached photos, the water travels down the metal flashing to a scrupper drain (?) the concern is that it was heavy rain and all that water comes down through our roof caused leak. Solution provided is to have another two drainage holes on our roof. Should the outlet be connected to...

And also water was pouring down from fireplace, what could be the cause?

A new build converted the roof, we had a significant water leak, does the attached look ok?

Thanks! Do I need to match hot water schedule with the pump? Can I run pump schedule alone in the evening just when we need water? Thanks!

Thanks, where can I find the switch which automatically switch off a few minutes after being triggered? I can’t seem to find this option from the control… The bathroom pipe is making vibration noise when the pump is on when we’re not using hot water, is it normal? Thanks!

Thanks, the control I’m using is Vaillant thermostat VCR700 which is mounted on the wall. There’re 3 options to set up time programmes: heating, DHW Circuit & Circulation. Circulation is connected to the pump. I can’t see any controls on the Vaillant cylinder or the pump, the pump looks like...

That’s very helpful, thanks very much CBW. There is a separate time programme for Circulation (connected to the cylinder pump I guess), should I leave Circulation on all day say 6:00-22:00, or should it just come on when hot water is on? Thanks!

We have Vaillant ecoTEC plus 637 + Vaillant uniSTOR VIH GB 250/3 BES 245ltr cylinder What’s the best time programme settings for the DHW circuit & Circulation? Should I have them on constantly or certain time of the day say 6:00-8:00 to reduce energy bills? DHW circuit and circulation should...