Vitocrossal 300, CA3 / CA3B
Floor-standing gas-fired condensing boiler with stainless steel heat exchanger and pre-mix cylinder burners.
Location of boiler serial number
The 13-digit boiler serial number is stamped on the boiler's metal ASME rating plate. This rating plate is attached to the boiler return connection at the rear of the boiler.
Location of burner serial numbers
The 16-digit serial number of each burner is printed on a silver label, and is located on the back of the burner control console.