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Mend grohedal Flushing System Flush

grohedal flushing system?

When I flush the toilet using the push button the syphon does not lift to its full capacity.
If I remove the pneumatic tubes and lift the syphon manually it works fine.
Could anyone shed any light on this problem

Colin Miller
January 2010
grohedalD.I.Y, ToiletsFlushing System Flush
it is most probable that the "air piston" that should lift up the syphone is not extracted to its maximum range.
What should you do:
1. remove the syphon from the cistern:
close the faucet in side the cistern, turn the syphon anti clockwise, turn it upside down and get it out of the cistern (you may need to move the float aside)
2. disassemble the "air piston" housing and verify it is clean and run freely.
3. if you see the piston can work its full range, fine. if not, try to buy "only" this little piece, rather than the whole syphone with its outrages price.

Get it all back inside...

good luck.

Shimon
February 2010
I have exactly the same problem - have messed about with it for a bit but cannot figure out what is wrong - sorry

peter
January 2010

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Grohedal Flushing System Issue - Help!