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In this competitive scenario, it isn't easy to survive in the market without a standard quality and certified product. BIS license may also be required to sell products in the Indian market.

To get BIS certification and produce a standard quality product, the manufacturer must ensure that their product must follow the specified Indian standard.
Let's take a closer look at IS 302(Part 2/Sec 201):2008 for the electric immersion water heater.

IS 302-2-201:2008 covers an electric immersion water heater. The Bureau of Indian Standards adopted this Indian Standard (Part 2/Sec 201) (First Revision) after the Electrotechnical Division Council approved the draft finalized by the Electrical Appliances Sectional Committee.

This standard covers the safety requirements of portable electric immersion heaters for household use and similar applications with rated voltages of not more than 250 V. This standard applies to appliances that are not intended for normal household use but may still pose a risk to the public, such as those used by laymen in shops, light industry, and on farms.

Immersion heaters are constructed by encasing a resistance heating wire in a ceramic jacket and surrounding it with a sheath. The sheath can be made of copper, stainless steel, cast iron, titanium, or PFA coated.

The following test shall be carried out for an electric immersion water heater.

1. Earth Continuity test
2. Electric strength test
3. Functional test
4. Protection against access to live parts
5. Power input and current
6. Heating
7. Leakage current and electric strength at operating temperature
8. Leakage current and electric strength
9. Mechanical strength
10. Internal wiring
11. Supply connection and external flexible cord
12. Terminals for external conductors
13. Provision for earthing
14. Screws and connections
15. Stability and Mechanical hazards and so on

A laboratory shall be adequately maintained, in which the various tests shall be carried out according to the methods specified in the standard.

The following grouping shall be considered for GoL:

1. Group I - up to and including 1000 W
2. Group II - above 1000 W

The Firm must declare the types of Electric Immersion Water Heaters they intend to cover under the BIS Licence. Labelling and marking shall be done as per the requirements of IS 302 (Part 2/Sec 201):2008. The product must also meet the standard's requirements, and the Standard Mark (ISI Mark) may also be applied to the product.

The manufacturer must obtain a BIS license for electric immersion water heater from the Bureau of Indian Standards to use a standard mark (ISI Mark). The Bureau grants a license based on a successful assessment of a manufacturer's manufacturing infrastructure, production process, and quality control and testing capabilities during a visit to its manufacturing premises.