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
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If complete circulator pumps
Assembled pumps with motors are classified as complete centrifugal pumps.
If general cast iron housings
Generic cast iron castings not identified for specific machines go here.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Confirm wet rotor or dry rotor design in docs; ASME stamping often required; distinguish from standalone pump parts under 8413
Related Products under HTS 8403.90.00.00
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Cast Iron Boiler Heat Exchanger
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Stainless Steel Boiler Burner Assembly
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