I've just had both the diverter valve and expansion tank fail on a 1997 Worcester Combi.
Having taken the old valve to bits, I found the diaphragm to be almost crumbly...
The rubber looked like tree bark.
Any ideas what would have caused this?
I've just had both the diverter valve and expansion tank fail on a 1997 Worcester Combi.
Having taken the old valve to bits, I found the diaphragm to be almost crumbly...
The rubber looked like tree bark.
Any ideas what would have caused this?
6 years of being in hot water? Perhaps you were needing to top up a lot and dissolved oxygen took a part in the matter?
need to make sure that you have no leaks letting air in the system, and you need to cleanse, desludge and add inhibitor when you have finished and tested the system. rob
In article , rob writes
Will do.
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