Technical Name
Instantaneous Domestic Water Heater for use with Liquefied Petroleum Gas
BIS ISI Mark Certification for an instant water heater for use with LPG
Instant Water Heater for use with LPG for the Indian Market: An Insight
Often referred to as a tankless water heater, an instantaneous domestic water heater is cutting-edge household equipment that can heat water on demand for a variety of uses. In India’s home heating appliance market, instant water heaters that run on LPG are growing at around ~8–10% per year, and they make up nearly ~6–8% of water heater demand, as sellers focus on approved, safety-tested units to meet gas safety rules as well as to avoid compliance risks. A BIS certificate for an Instant Water Heater for use with LPG will give assurance to the consumers on the reliability and safe working of this product.
Key Highlights
| Product name | Instant water heater for use with LPG |
| Applicable certification | BIS ISI Certification |
| Applicable Indian Standard | IS 15558:2024 |
| Compliance Requirement | Mandatory |
| QCO for IS 15558:2024 | Click here |
| Certificate issued by the Ministry | The Ministry of Commerce and Industry |
What is the required certification for an instant water heater to sell in India?
For Instant Water Heater for use with LPG, BIS ISI Certification is a prerequisite for Indian market sales. Here’s a detailed look at the certification steps, documents, as well as mandatory requirements.
BIS ISI Mark Certificate
The Bureau of Indian Standards (BIS) grants the BIS/ISI mark certificate for products after ensuring that they meet the performance and safety criteria in the Indian market. Helping consumers to make informed purchase decisions, the BIS ISI certification helps in assuring the circulation of qualitative products only in the market. The BIS-certified products are in demand more than those that have not acquired any certification. The specified standard will make sure that the convection oven runs safely, provides enough heating efficiency, and has no risks like emission of gas, flow of flames, or overheating. Therefore, conforming to the IS and getting a BIS license, mandatory for instant water heaters to sell in India, is an integral requirement.
What happens when selling or importing in India without a valid BIS certification? Read here in detail.
How to get BIS Certification for Instant Water Heater in the Indian Market?
Documents for an ISI Mark License for Instant Water Heater
Here are the required documents for a BIS certification. These documents must be prepared beforehand by manufacturers as well as importers aiming to enter the Indian market:
- Legal address proofs of the factories
- Product specification
- Details of raw material, machinery, and testing equipments
- Details of QC Staff and other basic details of the factory
- Lab test reports of the product
- Main Application Form V
- ISI Application Fee
- Appointment of AIR (Authorized Indian Representative) in case you are a foreign manufacturer
Process for BIS Certificate for Instant Water Heater
Here is a detailed process for obtaining a BIS certification. Moreover, it is important to note that the BIS certification process for foreign manufacturers slightly differs from the BIS certification process that is meant for domestic manufacturers:
- Prepare Documents
- Submit Application
- Factory Inspections by BIS Officials
- Product Testing
Certification Guidelines For Indian Manufacturers
- Must have proper manufacturing and testing capabilities for the product.
- Apply through the BIS Manak portal with all required documents.
- Product samples are tested in a BIS-accredited lab.
- A license is granted if test results and documents meet the Indian standards set by the Bureau of Indian Standards.
Certification Guidelines For Foreign Manufacturers
- Must appoint an Authorized Indian Representative (AIR) as per BIS guidelines.
- Submit application with Factory Test Report (FTR).
- BIS conducts factory inspections and selects samples for testing.
- A license is issued after successful testing and compliance with standards.
Need complete knowledge about the certification? Click to view the complete guidebook for an ISI mark registration.
Certification Guidelines For Indian Importers
- Not eligible to apply directly; only manufacturers can obtain BIS ISI certification.
- Must coordinate with the manufacturer to get the certificate.
- Keep a copy of the license to avoid customs issues.
- Can act as AIR if authorized by the manufacturer.
Certification Guidelines For Traders
- Cannot apply for BIS ISI certification directly.
- Certification must be obtained by the manufacturer.
- Maintain a copy of the license for compliance.
- Can act as AIR if authorized.
Certification Guidelines For Online Sellers
- Not eligible to apply directly; only original manufacturers can apply.
- Must obtain the BIS ISI certificate copy from the manufacturer.
- Required to present certification for e-commerce compliance.
Visit here to check your eligibility for the Instant Water Heater for the Indian market now!
How Does Brand Liaison Assist Businesses in Obtaining Seamless Compliance?
- Expert BIS Consultant: Brand Liaison offers end-to-end guidance on BIS certification procedures, helping businesses navigate complex regulatory requirements with ease.
- Dedicated ISI Mark Consultant: The team specializes in ISI mark certification, ensuring your products comply with Indian standards.
- Complete Documentation Support: Assists in preparing, reviewing, and submitting accurate and complete documents required for ISI mark certification services.
- Time & Cost Efficiency: Their streamlined approach minimizes delays, helping businesses obtain certification quickly and cost-effectively.
- Support for Indian & Foreign Manufacturers: Whether you're a domestic company or an international brand, Brand Liaison - a leading BIS consultant provides tailored BIS (ISI mark) certification services to meet your specific needs.
Get in touch with Brand Liaison to ensure market compliance for your business, and talk with our team of expert professionals to obtain the necessary certification for your products in India.
Source of Data Insights for BIS ISI Mark :- https://www.bis.gov.in/product-certification/products-under-compulsory-certification/scheme-i-mark-scheme/?lang=en

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