HS CodesXVI · Machinery and mechanical appliances; electrical equipment; parts thereof; sound recorders and reproducers, television image and sound recorders and reproducers, and parts and accessories of such articles84 · Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof8403840390840390Chapter 84Copy pagePartsDescriptionCentral heating boilers other than those of heading 8402 : PartsWas this page helpful?YesNoPrevious840310BoilersNextAuxiliary plant for use with boilers of heading 8402 or 8403840410