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BIS CERTIFICATION PROCESS INFORMATION Electrical Appliances for Domestic Water Heating (Electric Instantaneous Water Heaters) IS 302 - Part 2/Sec 35

September 22, 2025 | 4 min Read

The electric instantaneous water heaters are a very common household appliance, which is used for quickly and efficiently heating water. As the nature of such appliances requires a high level of safety and performance, the Bureau of Indian Standards has accordingly provided the necessary certification requirements under IS 302 - Part 2/Sec 35:2017. A grantee of BIS Certification ensures that electric instantaneous water heaters possess the necessary quality, safety, and performance for domestic applications within India.

BIS certification according to IS 302 Part 2/Sec 35: 2017 ensures that electric instantaneous water heaters are safe, reliable, and meet their performance expectations. The certification helps the products meet the required standard for the assurance of consumer safety against electric shocks and overheating. As such, electric instantaneous water heaters are gaining popularity to accommodate the surging demand for energy-efficient appliances and space scarcity. Furthermore, certified products are in demand as customers are gaining awareness of such standards that define safety and performance. Product Applications

  • Residential bathrooms and kitchens
  • Hotels and guesthouses
  • Commercial buildings and offices
  • Hostels and dormitories

Overview of IS 302 (Part 2/Sec 35): 2017

IS 302 (Part 2/Sec 35): 2017 specifies the safety and performance requirements for electric instantaneous water heaters used in domestic settings. The standard covers various aspects, including electrical safety, temperature control, energy efficiency, and overall product durability.

Key Highlight

Product Name Electric Instantaneous Water Heaters
Applicable Indian Standard IS 302 (Part 2/Sec 35): 2017
Applicable Certification Scheme Product Certification Scheme (ISI Mark Scheme) Scheme 1
Applicable Mark BIS Standard Mark (ISI Logo)
Compliance Requirement Mandatory
Quality Control Order View QCO
Ministry Ministry of Consumer Affairs
Scope as per Standard This Indian Standard covers the safety of electric instantaneous water heaters, intended for household and similar purposes, for heating water to a temperature below its boiling point, their rated voltage being not more than 250 V for single-phase appliances and 480 V for other appliances. This standard does not cover appliances with bare heating elements and also does not apply to industrial appliances and appliances which are designed exclusively for hot water dispensers. This standard deals with common hazards presented by appliances that are encountered by all persons in and around the home.

Key Aspects of IS 302 (Part 2/Sec 35): 2017

  1. Electrical Safety: The standard outlines the necessary precautions to prevent electric shocks, short circuits, and overheating, ensuring the safety of users.
  2. Temperature Control and Regulation: It includes guidelines for accurate temperature control and safe handling of hot water to avoid scalding.
  3. Energy Efficiency: The standard promotes energy-saving features that enhance the performance of the heaters while reducing power consumption.
  4. Durability and Construction: The design and construction requirements ensure that the water heaters are robust, durable, and resistant to damage.

Applicable Tests

  1. Earth continuity test
  2. Electric strength test
  3. Functional test
  4. Power Input and Current
  5. Leakage current and Electric strength at operating temperature
  6. Construction
  7. Provision for earthing

Benefits of BIS Certification

BIS certification offers several significant benefits:

BenefitDescription
Access to the Indian MarketBIS certification is mandatory for selling electric instantaneous water heaters in India, ensuring market access and compliance with local regulations.
Compliance with Indian StandardsBIS certification ensures that the product meets national safety and performance standards, making it more reliable and trusted by consumers.
Enhanced Product CredibilityProducts with BIS certification are considered more credible and attract higher customer confidence, leading to better market acceptance.
Increased Customer TrustConsumers prefer BIS-certified water heaters as they provide assurance of safety and performance, reducing risks associated with uncertified products.
Benefits for MSMEsFor small and medium enterprises, BIS certification offers a competitive advantage by enabling them to compete with larger brands by offering compliant and certified products.

Case Studies

A leading manufacturer of electric water heaters pursued BIS certification for its range of electric instantaneous water heaters under IS 302 (Part 2/Sec 35): 2017. By obtaining the certification, the company was able to improve product safety, achieve compliance with mandatory regulations, and gain a significant market share in both residential and commercial segments. The BIS certification played a key role in building consumer trust and expanding their distribution network across India.

Process

Process for BIS ISI Mark Certification

A streamlined process designed to ensure compliance, quality, and efficiency at every step.

01

Documentation

Preparation and submission of required documents.

02

Application Submission

Filing the application with BIS along with applicable fees.

03

BIS Audit

Inspection and evaluation of manufacturing facility.

04

Sample Testing

Testing of product samples in BIS recognized laboratory.

05

Grant of License

Successful evaluation and grant of BIS ISI Mark license.

BIS ISI Mark Certification Process Video

Learn the complete process

Watch our detailed video to understand each step involved in obtaining BIS ISI Mark Certification.

Note

For detailed information about the Procedure for
BIS ISI Certification, visit:

Timeline for BIS Certification

The estimated time frame for obtaining BIS certification under IS 302 - Part 2/Sec 35:2017 is:

For Indian Manufacturers

(Standard Timeframe)
30 Days

For Foreign Manufacturers

(Standard Timeframe)
180 Days

Conclusion

Obtaining BIS certification for electric instantaneous water heaters is, therefore, in IS 302-Part 2/Sec 35: 2017, an important achievement for a manufacturer looking to enter the Indian market or further expand in it. The product assures that minimum requirements have been met on such products regarding factors like safety and quality to help build brand credibility and open up greater avenues. In fact, in recent years, BIS certification has become a growing consumer awareness and demand for a certified product necessary for long-term success. Aleph India is a specialized service provider in helping manufacturers get BIS certification to ensure that the path to compliance is hassle-free and efficiently ready for the market.

For more updates and detailed procedures, stay connected with Aleph INDIA and ensure your products are always compliant and top-quality.

Aleph India Handshake Partner Logo

Partner with Aleph INDIA to simplify your BIS certification journey and ensure full compliance with IS 302 - Part 2/Sec 35:2017 for robust and high-performance packaging solutions.

FAQ

Frequently Asked Questions

01

Q 1. What is IS 302 (Part 2/Sec 35): 2017, and why is it important?

IS 302 (Part 2/Sec 35): 2017 is the Indian Standard that defines the safety and performance requirements for electric instantaneous water heaters, ensuring they are safe for domestic use

02

Q 2. Why is BIS certification necessary for electric water heaters?

BIS certification is mandatory to ensure that electric water heaters comply with safety standards, preventing risks like electric shocks, overheating, and other hazards.

03

Q 3. What are the benefits of obtaining BIS certification for water heaters?

Benefits include access to the Indian market, compliance with Indian standards, increased customer trust, enhanced product credibility, and opportunities for MSMEs.

04

Q 4. Is BIS certification mandatory for electric instantaneous water heaters?

Yes, BIS certification is mandatory under IS 302 (Part 2/Sec 35): 2017 for selling electric water heaters in India.

05

Q 5. How does BIS certification impact the marketability of water heaters?

BIS certification enhances marketability by assuring customers that the products meet stringent safety and performance standards, making them more appealing in the marketplace.

06

Q 6. What are the key aspects covered by IS 302 (Part 2/Sec 35): 2017?

The standard covers electrical safety, temperature control, energy efficiency, and product durability for electric instantaneous water heaters.

07

Q 7. How can MSMEs benefit from BIS certification for water heaters?

MSMEs can gain a competitive advantage by offering BIS-certified water heaters that are compliant with national standards, enabling them to compete effectively with larger brands.

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