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Deleted member 105431
Although I would say that Worcester and Vaillant are about neck and neck in reliability... I have fitted a fair few Worcesters. I would say that Vaillant are easier to work on if it does develop a problem as everything is reasonably easy to get at through the front of the boiler, and if I am the guy who fitted it, then my customers will call me to repair it, it pays to make life easy for myself.
I still find myself wondering about fitting the odd Baxi now and then... the current models do appear to be nice little boilers at a reasonable price..
The key to a long lived boiler is correct installation..
I agree, and I would add that the Vaillant diagnostic system with s, d and f codes is far superior and easy to use.