hello.
could anyone explain the advantages and disadvantages of zero govenors? any safety issues which have arisen from these . also how do you test their safety. i run the boiler to max then plug out the fan. thats what valliant chap said anyhow!! thaNKS
could anyone explain the advantages and disadvantages of zero govenors? any safety issues which have arisen from these . also how do you test their safety. i run the boiler to max then plug out the fan. thats what valliant chap said anyhow!! thaNKS
