CPV code 44600000 designates Tanks, reservoirs and containers; central-heating radiators and boilers in the Common Procurement Vocabulary (CPV 2008), the EU classification used to describe the subject of public contracts.
44600000 sits under 44000000 (Construction structures and materials; auxiliary products to construction (except electric apparatus)) and groups 2 more specific sub-codes. When classifying a tender, choose the narrowest code that still covers the full subject of the contract.