Tank Cover Where can I found TANK COVER for Villeroy-Boch Colani Water-Closet 765700 model

www.villeroy-boch.com/.../faq.html?&...en..

https://pro.villeroy-boch.com/en/.../technical-data.html

leaking from the fill valve under the tank or running into the bowl via the overflow tube? please be specific:)

Hi pervana....
You have an obstruction in your ballcock/inlet valve or the ballcock/inlet valve is malfunctioning and is need of replacement.
Try to move the float up and down inside of the bowl, this may loosen the valve and allow water to enter the tank.
If this does not solve your problem then you will need to replace the ballcock/inlet valve.
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Type your location into this and it should give you some dealers in your area.
http://professionals.villeroy-boch.com/address/index.php?area=bk&L=en&tC=us

V & B US customer service number used to be 877-505-5350 it has been a while since I used it, but they were very helpful when I did. Hope this helps.

V & B toll free number was 877-505-5350. I hane only worked on one in 25 years and they were very helpful. Hope this gets you in the right direction.

Hello. If you already have this toilet set it tight against a wall and measure to the bolt holes. I personally think the toilet will mount @ 11 1/2" but will leave less space than ideal between the wall and tank.
builderdale

Your flapper is not sealing at the bottom of the tank. You can either return the toilet, replace the flapper, or try smearing a little vaseline on the underside of the flapper lip where it contacts the tank bottom. The latter may be all it needs to seal a tiny leak.

the seal that stops the water in the tank is leaking and needs to be replaced

This problem is either two things:

1/ The water inlet valve is letting by and going down the overflow pipe. (Connected to the main centre column). You can check this by taking off the lid off.

2/ Centre column seal at the base is letting by. You can unclick the centre column by pushing the two paddles either side.

Then lift out the centre column and check the grey washer at the base. You can turn this washer around and see if this solves - if not the column has probably has a part snap off.

You can get spares here:

http://bathroomstudio.co.uk/villeroy-boch-spares/cat_131.html