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vailiant eco tech combi 824 boiler?

How do I find the changeover diaphram as I can get heating but no hot water and have been told that you can release it with a screwdriver but need to locate the unit to do this.

Andy R
February 2012
It has an electrically operated diverter valve not a diaphram, you could remove the diverter head and try to manually operate it but if you dont know how dont attempt it

bill
February 2012

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