how to fit new diaphragm?

The diaphragm has gone, can't think why, the whole brass unit that it's in is quite new.
Is this difficult, should I get a professional?

Oriole
January 2013

3rd step, get a qualified person to repair your boiler!
if you have to ask how then you really shouldn't touch it!

bill
January 2013

1st step, tell us what you're on about, 2nd step repost your question again, but with more info this time.Simples!

A M
January 2013

We may have found other answers which could help you.

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