IS 12933
Solar water heaters and flat-plate collectors
BIS QCO · ISI MARK · 5 LINES · SOLAR WATER HEATING SYSTEM QUALITY CONTROL ORDER, NOTIFIED VIDE S.O. 4354(E) AND S.O. 4485(E)
IS 12933 specifies the requirements for solar flat-plate collectors and associated parts of solar water-heating systems for residential and commercial installations. The standard covers absorber construction, thermal performance, glazing and corrosion-resistance criteria.
At a glance
5
Tariff lines covered (8-digit HSN)
Chapter 84
Primary HSN chapter
ISI
Mark scheme
Solar Water Heating System Quality Control Order, notified vide S.O. 4354(E) and S.O. 4485(E)
Governing Quality Control Order
Tariff lines covered
Heading 8419
8419 12 00Solar water heaters and flat-plate collectors8419 19 10Non-electric domestic instantaneous or storage water heaters8419 19 20Non-electric instantaneous or storage water heaters (solar flat-plate collectors, evacuated tube systems)8419 90 10Parts of domestic instantaneous or storage water heaters8419 90 90Parts of industrial heat-treatment and solar water-heating equipment
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Speak to an Expert Last verified against gazette notifications: 2026-05-16. Source: BIS / Indian Customs CUSDATA.
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