Worcester Bosch, who have been servicing our Worcester Bosch 350 Combi for the last number of years, have informed us that from November they will no longer service it. Not surprised as it's 18 years old but it hasn't caused us much grief. It presently runs 8 rads, none of them that big. Any suggestions for a replacement? I contacted the guy who originally fitted it and his wife said he favours either the Alpha CD28 or 35C. Any thoughts? Grant