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If you manufacture or import stationary storage-type electric water heaters, there’s one thing you cannot ignore in 2026 BIS compliance under IS 302 (Part 2/Sec 21): 2018.
This isn’t paperwork for the sake of paperwork. It’s a mandatory certification under a government quality control order. Without it, you cannot legally sell these heaters in India. Period.
And if you’re assuming this is just another routine registration, it’s not. It involves product testing, factory inspection, documentation scrutiny, and ongoing surveillance after approval.
Let’s walk through what this actually means for you clearly and practically.
You’re dealing with stationary storage-type electric water heaters, the common tank-based geysers installed in homes, hotels, and commercial spaces. These are not immersion rods. Not instantaneous heaters. Not gas systems.
The applicable Indian Standard here is:
This standard falls under the broader IS 302 series covering safety of household electrical appliances. Section 21 specifically deals with stationary storage water heaters.
It evaluates:
If your product stores heated water and operates on electricity within the rated voltage limits defined in the standard, it falls here.
Before you do anything else, confirm classification properly. Many delays happen because manufacturers apply under the wrong section.
The Government of India issued a Quality Control Order (QCO) covering electrical appliances used for domestic water heating.
Under this order, products must:
If you manufacture without certification:
There are phased implementation dates based on enterprise category (micro, small, others), but once the enforcement date applies to you, there is no workaround.
Export-only production is exempt but only if the product never enters the domestic Indian market.
Now let’s get practical. Here’s what you will go through.
You must apply through the official BIS portal. The scheme applicable for products under a QCO is Scheme I (ISI mark scheme).
This is not a self-declaration system. BIS grants a license only after evaluation.
You will submit:
Documentation quality matters. Inconsistent data causes queries.
You must send product samples for testing.
The lab conducts full safety testing as per IS 302 (Part 2/Sec 21):2018. These tests are technical and strict. They check compliance under normal operation and fault conditions.
Common reasons for failure:
If the sample fails, you correct it and retest. That costs time and money.
This is where many applicants underestimate the seriousness.
A BIS officer visits your manufacturing unit. They verify:
They compare your documents with what is physically happening on the shop floor.
If your documentation says one thing and practice shows another, objections will be raised.
You cannot “prepare overnight” for inspection. It requires structured compliance planning.
Once testing and inspection are satisfactory, BIS issues the license.
Only after this can you affix the ISI mark.
You must follow marking guidelines precisely. The ISI mark format, license number display, and product marking position must comply with BIS marking instructions.
Improper marking can lead to non-conformity.
Certification is not a one-time clearance.
BIS conducts:
BIS ISI for Water Cooler IS 1475 Part 1 2001
Costs vary depending on:
If you manufacture or import stationary storage-type electric water heaters, BIS ISI certification under IS 302 (Part 2/Sec 21): 2018 is not optional. It is a legal requirement backed by enforcement power
The process involves documentation discipline, lab testing, factory inspection, and continued compliance even after approval
You can attempt it independently but if you want structured, efficient execution with minimal risk of delay Agile Regulatory remains one of the most reliable compliance partners for BIS ISI registration
If you are planning certification in 2026, start preparation early. Waiting until enforcement pressure builds usually costs more in time, money, and reputation.
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Vanshika Mathur
17 Feb, 2026
Divya Saxena
17 Feb, 2026
Vanshika Mathur
16 Feb, 2026
Divya Saxena
16 Feb, 2026
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