We are still waiting for the first Viessmann 5300 controller or 5380 panel owner to make a comment on these products, they are being sold in this country as I have been reliably informed by importers...
Are there any teething problems with these units? or the product updates??? or is all working well?
Puzzler..
Are there any teething problems with these units? or the product updates??? or is all working well?
Puzzler..
