20 Most Recent Duravit 0910100005 Happy D Toilet Cistern - White Questions & Answers


Are the install correct ?I can't believe an install time frame where the technician is actually on time! Work was done quickly and efficiently. Definitely one of the best install experience I've had. Thank You.
Heated Toilet Seat Installation

Duravit... | Answered on Feb 20, 2018


There are some dual flush cisterns where you have to depress one button to reveal a cavity in the second button. Put a screwdriver in that cavity to left out the second button, then release the first button and pry that out.

Underneath the buttons is a screw which must be unscrewed to release the cistern lid.

Not sure if this will apply to you... but if not, good luck anyway.

Duravit... | Answered on Dec 03, 2016


The cistern lid is held down by the chrome assembly (which includes the two buttons that you press to make the toilet flush) sticking up in the middle of the lid. You need to unscrew that (anticlockwise) to be able to lift the lid off, to get to the inlet valve, etc.

If the water is running in very slowly, chances are high that the small screen filter under the inlet valve is partially blocked. Working inside the cistern, you need to unscrew the inlet valve assembly (noting the order in which the various parts come out!), then unscrew the cranked fitting just under that, to get the screen/filter.

Duravit... | Answered on Sep 17, 2016


The problem probably is in your valve which regulates output of water. Normally on these types of toilets, this is and can be the common cause.

Duravit... | Answered on Mar 18, 2015


You can't. Water level is set by the design of the trap built into the ceramic base. Can only adjust height of water in the tank.

Duravit... | Answered on Jan 07, 2015


Make sure your new flapper is the same as the old one and replace the new one the same way you removed the old one.

Duravit... | Answered on Sep 23, 2014


This guy's video tells you how to service the parts:
For me the problem turned out to be that these gears got misaligned at some point. The blue piece should be "locked" into this position. If the white gears are not aligned correctly they will get stuck and the seal at the bottom (the flapper) will not slide freely down all the way.
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Duravit... | Answered on Jan 04, 2014


the botton should adjust up and down by tuning it left or right

Duravit... | Answered on Jan 04, 2014


There are some dual flush cisterns where you have to depress one button to reveal a cavity in the second button. Put a screwdriver in that cavity to lever out the second button, then release the first button and prise that out.

Underneath the buttons is a screw which must be unscrewed to release the cistern lid.

Not sure if this will apply to you... but if not, good luck anyway.

Duravit... | Answered on May 24, 2013

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