Quote:
Originally Posted by pip08456
There are no metal parts in the valve posted. There is no need for vinegar or any other method suggested.
The diaphram has a hole in it and I don't care what the rip off plumber has said it only needs a replacement diaphram.
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No need to get so cross.
The picture posted does show metal on the flush part between the handle and the syphon. It is this that
might benefit from a squirt of lubricant.