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Solved - Anyone Recognise this Flush Bellows

C

crosland

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27 Nov 2025
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Concealed cistern. The push switch is a Herga, 4mm tube but I can't find anything on the Herga site. Fill valve is "the original torbeck". No idea if they would have been purchased together or separately.

Toilet will not flush. Maybe a leak somewhere in the pneumatics, or the flush mechanism is not returning high enough to compress the bellows ready for the next flush.

Andrew

IMG_20251127_125057405_HDR.jpg
 
So I'm now sure its a Grohe Adagio cistern and I released the bracket and the bellows. It's not a pneumatic problem, so something to do with the discharge valve.
 
Turned out to be the button diaphragm after all. Replacement ordered.
 

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