U.S. imports of Instantaneous or Storage Hot Water Heaters, Nonelectric (N.E.S.) (SITC 74182) totaled $40.2M in August 2026, imported from 32 countries.
Importers of Instantaneous or Storage Hot Water Heaters, Nonelectric (N.E.S.) paid $341K in duties in August 2026, an average duty rate of 0.86% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule. Instantaneous or Storage Hot Water Heaters, Nonelectric (N.E.S.) imports of $40.2M in August 2026 ran 16% below the year-to-date monthly average of $47.8M.
Last updated: August 2026 dataNonelectric water heaters not elsewhere specified — including solar thermal storage tanks, oil-fired units, and heat-pump-assisted storage heaters — occupy a residual classification that catches equipment not covered by the dedicated gas-fired instantaneous heater heading. The diversity of fuel types and configurations in this category means that correct classification often requires careful review of the heating mechanism and energy source. DOE efficiency standards and, for certain fuel types, EPA emissions requirements may apply at the point of US market entry.
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1.7K import shipments a month
The instantaneous gas water heater heading covers tankless units specifically fueled by gas. This residual heading captures nonelectric water heaters of other fuel types (oil, solar, biomass) and storage-type configurations not classified elsewhere, making the fuel source and tank configuration the primary classification differentiators.
Solar thermal storage tanks that function as hot water heaters — storing water heated by solar collectors — generally fall under this residual nonelectric water heater heading. However, bare storage tanks without heating elements may be classified as pressure vessels or tanks depending on their construction, so the functional role of the unit at import is the deciding factor.
Basic heading 258 of 642 in section 7
Basic heading 74182 · $40.2M of $172.0B
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Imports · August 2026
origin
Mexico and Canada together supply 90% of it. Italy pays 10.0% duty; Mexico 0.0%.
customs district
Census does not publish district detail for this classification system.
destination
Census does not publish state detail for this classification system.
entry
Census does not publish port detail for this classification system.
ImportsExports
Imports
$40.2MYoY · free account
Exports
$20.0MYoY · free account
12-mo low · imports
Low · free accountOver the twelve months to August 2026, the U.S. imported $565.5M of Instantaneous or Storage Hot Water Heaters, Nonelectric (N.E.S.).
Through August 2026 · exports 10 of 12 months reported. Source: U.S. Census Bureau.