Introduction
A running cistern can waste a lot of water - a repair is urgently needed. Actually, this can have two causes: either the seal at the outlet of the box is leaking (the bell seal), but more often the seal at the inlet valve is defective, this case is described here.
Note: this is an older, no longer up-to-date version of the Geberit toilet flush.
Parts
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Lift pressure plate from bottom to top, then remove
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first unscrew the outer frame
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then the inner cover. Carefully pull away to the front.
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The filling valve. Photo 1 with the surface box.
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Photo 2 shows the valve in the flush-mounted box.
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With a water pump pliers, you loosen the union nut on the valve. So it is separated from the water inlet.
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Remove the hose slowly so that no part falls out.
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With the surface-mounted box you can simply push the valve upwards.
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For the in-wall box, lift the valve up and set it aside. Then unscrew the top part until the float comes loose.
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Now you can lift out the parts.
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Now the seal has to be removed and replaced. It is sometimes difficult to find out. Try a small screwdriver.
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Figure 2 shows a defective seal (here black). Clearly a ring is pressed into it.
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When reassembling you have to make sure that the release lever engages correctly again. Use a screwdriver if necessary.
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Repeat the steps in reverse order to reassemble your device.
7 comments
I don’t like Geberit toilet. My all time favorite flushing toilet is American standard https://bestflushingtoilet.org/american-.... Really, I like this brand flushing technology.
zukond -
That’s a great effort to share information about the Geberit toilet, but I think most people do not use these toilets. Here https://lueliving.com/ is a list of some best toilest. I’m sure that will be helpful.
jana -
In Europe, Geberit is very popular, and it is one of the few brands that provides parts/upgrades for older models (even going back to 1964, when they started).