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Thanks Agile..... does sound like a diphragm problem as it occurs now and again. As a guide, where is the best place to obtain Vailant parts from (apart from the obvious Vailant web site :roll: )?
Many many thanks for the rapid response and the manual.
I needed a manual quickly because the hot water has developed a slight fault in the respect that the boiler does not always come on when the hot water tap it turned on. I have to then put the central heating on to get hot water. I also...
Hi,
I'm also trying desperately to fing a manual for Vaillant VCW Sine 18 as I have lost my paper manual. Can anyone be so kind as to help me? my email address is *****************