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← Tariff Schedule
HS 8404.10Moderate

Auxiliary plant for boilers (economizers, superheaters)

Chapter 84 — Machinery and mechanical appliances|Broad tariff
Current tariff rate
25%
Prior rate
0% (CUSMA)
Canadian export value
$220M
CUSMA eligible
Yes (RVC 75%)
TARIFF DETAILS
Effective date
2025-03-04
Tariff type
Broad tariff
CUSMA INFORMATION
Eligibility
Eligible
RVC threshold
75%
SECTOR IMPACT

Component suppliers face exclusion from US power and industrial plant construction projects.

NOTES

Auxiliary boiler components are often shipped as part of integrated EPC projects. Tariff disrupts project-based supply chains.

MITIGATION STRATEGIES

Actionable options for affected Canadian exporters

  1. 1

    CUSMA RVC optimization

  2. 2

    Pricing pass-through

  3. 3

    Product redesign for tariff shift

RELATED TARIFF CODES
8402.11High

Watertube boilers, steam output > 45 tonnes/hour

25%High
8411.81High

Gas turbines, power output > 5,000 kW

25%High

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