Technical Articles

What is BS EN 60335-2-21?

BS EN 60335-2-21 is a professional technical standard that specifies the safety requirements of household and similar electrical appliances. It focuses specifically on the safety requirements for storage water heaters, instantaneous water heaters, and electric showers.

Safety Standards for Storage Water Heaters

Storage water heaters have become an integral part of our daily lives, providing hot water for various purposes such as bathing, washing dishes, or laundry. BS EN 60335-2-21 sets out the safety standards that manufacturers must comply with to ensure the safe operation of these appliances.

The standard covers aspects such as protection against electric shock, mechanical strength, sealing of live parts, electrical connections, and resistance to heat and fire. It also includes guidelines for marking and instructions for safe installation and use.

Instantaneous Water Heaters and Electric Showers

In addition to storage water heaters, BS EN 60335-2-21 also applies to instantaneous water heaters and electric showers. These types of appliances are designed to provide hot water on demand, offering convenience in homes, hotels, gyms, and other similar locations.

The standard outlines specific safety requirements and tests for these appliances, ensuring that they are built to withstand a range of conditions and maintain safe operation. It covers aspects such as temperature control, protection against overheating, and proper grounding to protect against electric shock.

Advantages of Compliance with BS EN 60335-2-21

Compliance with BS EN 60335-2-21 offers several advantages for both manufacturers and consumers. For manufacturers, adherence to the standard ensures that their products meet the necessary safety requirements, reducing the risk of accidents and potential liability claims.

For consumers, purchasing appliances that comply with BS EN 60335-2-21 provides peace of mind, knowing that the products have undergone rigorous testing and meet safety standards. It is essential to look for the safety certification mark or label on these appliances before purchasing them.

In conclusion, BS EN 60335-2-21 plays a crucial role in ensuring the safety of household and similar electrical appliances such as storage water heaters, instantaneous water heaters, and electric showers. By complying with this standard, manufacturers can offer reliable and safe products, while consumers can enjoy the benefits of using these appliances without compromising their well-being.


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