42164000 - Auxiliary plant for use with boilers

CPV code 42164000 in the EU Common Procurement Vocabulary refers to Auxiliary plant for use with boilers. It sits at level 4 of the CPV hierarchy as a category within the 42 division. This code is nested directly under 42160000, narrowing the broader category into the specific area of auxiliary plant for use with boilers. As a leaf code, 42164000 has no further subdivisions and represents the most precise classification available in this branch — buyers should reference it directly in tender notices when the procurement primarily concerns auxiliary plant for use with boilers. Contracting authorities across the EU use 42164000 in TED notices and national procurement portals to signal that a tender relates to auxiliary plant for use with boilers.