Boiler Circulator Pump Housing

Cast iron housing for the circulator pump in hydronic central heating boiler systems. Designed for water circulation within the boiler loop. HTS 8403.90.00.00 part.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
πŸ‡¨πŸ‡³ChinaFree+17.5%17.5%
πŸ‡²πŸ‡½MexicoFree+10.0%10%
πŸ‡¨πŸ‡¦CanadaFree+10.0%10%
πŸ‡©πŸ‡ͺGermanyFree+10.0%10%
πŸ‡―πŸ‡΅JapanFree+10.0%10%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

8413.70.20Higher: 35% vs 17.5%

If complete circulator pumps

Assembled pumps with motors are classified as complete centrifugal pumps.

7325.99.10.00Higher: 35% vs 17.5%

If general cast iron housings

Generic cast iron castings not identified for specific machines go here.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

β€’ Confirm wet rotor or dry rotor design in docs; ASME stamping often required; distinguish from standalone pump parts under 8413