Reaffirmed 2023

1. Scope

1.1 This standard lays down the requirements for installation of gas based instantaneous water heaters.

1.2 This standard also applies to the associated components like piping and equipment used for installation of the water heater.

1.3 In case instructions given in the standard are not followed exactly, it may result in asphyxia, fire or explosion causing personal injury or damage to the property.

2. References

The standards given below contain provisions, which through reference in this text, constitute provisions of this standard. At the time of publication, the editions indicated were valid. All standards are subject to revision and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of these standards:

IS No. Title

1239 (Part 1) : 2004 Steel tubes, tubulars and other wrought steel fittings - Specification: Part 1 Steel tubes (sixth revision)

2379 : 1990 Pipelines-identification - Colour code ( first revision)

2501 : 1995 Solid drawn copper tubes for general engineering purposes - Specification (third revision)

3601 : 2006 Steel tubes for mechanical and general engineering purposes - Specification (second revision)

9573 : 1998 Rubber hose for liquefied petroleum gas (LPG) - Specification (second revision)

9798 : 1995 Low pressure regulators for use with liquefied petroleum gas (LPG) mixtures - Specification (first revision)