I have a problem that I bought a new GROHE geberite and the water pressure at the flush is so large that the water splashes out of the toilet around (the toilet without a collar) I wonder if it is possible to adjust the water pressure, but not from the pipe to the tank only from the tank for the...

Welcome. I am afraid that there is no cistern with the possibility of regulating the water pressure, there is a regulation of the amount of water to rinse light and heavier things. You can try to set a lower level of water filling the cistern tank, this may give lower pressure. If this does not help, it will mechanically stop the flow of water from the cistern to the shell. greetings

In this model, when closing the water, the board must be closed.

Yes, I do it, only that the water that has been left on the board after reopening flows down and soaks everything around.

And was the board originally with this sede?

So everything was purchased in a set.

Or maybe try to partially close the outlet:

Hello, I'm at the same stage. Was it possible to somehow limit the pressure of this water?

You can change the drain valve, the original Grohe sleeve is used for this, or the cheaper option: 32/25 rubber reduction on YouTube, there is a movie

GROHE Geberite Flush Problem: How to Adjust Water Pressure from Tank to High-Pressure Toilet

Kasia i Krystian 25875 8

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#1 16887999 13 Dec 2017 16:39

Kasia i Krystian Kasia i Krystian

Level 2
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Post #1
16887999 13 Dec 2017 16:39

I have a problem that I bought a new GROHE geberite and the water pressure at the flush is so large that the water splashes out of the toilet around (the toilet without a collar) I wonder if it is possible to adjust the water pressure, but not from the pipe to the tank only from the tank for the water to the toilet. Tory insists that it can not be done and I do not know it.

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#2 16888033 13 Dec 2017 16:55

mikke2 mikke2

Level 14

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Post #2
16888033 13 Dec 2017 16:55

In this model, when closing the water, the board must be closed.
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#3 16888233 13 Dec 2017 18:21

Kasia i Krystian Kasia i Krystian

Level 2

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Post #3
16888233 13 Dec 2017 18:21

Yes, I do it, only that the water that has been left on the board after reopening flows down and soaks everything around.
#4 16888353 13 Dec 2017 19:20

mikke2 mikke2

Level 14

» | Helpful post? (+1)

Post #4
16888353 13 Dec 2017 19:20

And was the board originally with this sede?
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#5 16889182 14 Dec 2017 07:32

Kasia i Krystian Kasia i Krystian

Level 2

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Post #5
16889182 14 Dec 2017 07:32

So everything was purchased in a set.
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#6 16889449 14 Dec 2017 10:31

Parowy Parowy

Level 22

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Helpful post
Post #6
16889449 14 Dec 2017 10:31

Welcome.

I am afraid that there is no cistern with the possibility of regulating the water pressure, there is a regulation of the amount of water to rinse light and heavier things.
You can try to set a lower level of water filling the cistern tank, this may give lower pressure.

If this does not help, it will mechanically stop the flow of water from the cistern to the shell.

greetings
#7 16911948 25 Dec 2017 01:17

misiek1111 misiek1111

Level 36

» | Positive voted Helpful post? (+9)

Post #7
16911948 25 Dec 2017 01:17

Or maybe try to partially close the outlet:
#8 19780972 24 Dec 2021 22:31

ziooober88 ziooober88

Level 15

» | Helpful post? (+1)

Post #8
19780972 24 Dec 2021 22:31

Hello, I'm at the same stage. Was it possible to somehow limit the pressure of this water?
#9 19895085 20 Feb 2022 13:09

kanonier8003 kanonier8003

Level 2

» | Positive voted Helpful post? (+10)

Post #9
19895085 20 Feb 2022 13:09

You can change the drain valve, the original Grohe sleeve is used for this, or the cheaper option: 32/25 rubber reduction on YouTube, there is a movie
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Topic summary

The discussion revolves around a user experiencing excessive water pressure from a GROHE Geberite flush system, causing water to splash out of the toilet. The user seeks a solution to adjust the water pressure specifically from the tank to the toilet, rather than from the pipe to the tank. Responses suggest that the cistern does not allow for direct pressure regulation, but recommend lowering the water fill level in the cistern to potentially reduce pressure. Other suggestions include partially closing the outlet or changing the drain valve using a GROHE sleeve or a rubber reduction fitting as a more economical alternative.
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GROHE Geberite Flush Problem: How to Adjust Water Pressure from Tank to High-Pressure Toilet

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