SNZ AS/NZS 60335.2.21
Household and similar electrical appliances – Safety – Part 2.21: Particular requirements for storage water heaters
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Organization: | SNZ |
Publication Date: | 25 October 2013 |
Status: | active |
Page Count: | 15 |
scope:
However immersion heater units intended to be retrofitted in a heat exchange closed water heater are prohibited unless:
- the immersion heater unit has been tested with the tank models and brands listed in the instructions of the immersion heater unit;
- the tank models and brands list the models of the immersion heater units that can be retrofitted.
Document History

December 1, 2023
Household and similar electrical appliances – Safety Part 2.21: Particular requirements for storage water heaters
A description is not available for this item.

SNZ AS/NZS 60335.2.21
October 25, 2013
Household and similar electrical appliances – Safety – Part 2.21: Particular requirements for storage water heaters
However immersion heater units intended to be retrofitted in a heat exchange closed water heater are prohibited unless:
– the immersion heater unit has been tested with the tank models and brands...

October 25, 2013
Household and similar electrical appliances – Safety – Part 2.21: Particular requirements for storage water heaters
This clause of Part 1 is replaced by the following.
This International Standard deals with the safety of electric storage water heaters for household and similar purposes and intended for heating...

October 25, 2013
Household and similar electrical appliances – Safety – Part 2.21: Particular requirements for storage water heaters
This clause of Part 1 is replaced by the following.
This International Standard deals with the safety of electric storage water heaters for household and similar purposes and intended for heating...

November 22, 2002
Household and similar electrical appliances – Safety – Part 2.21: Particular requirements for storage water heaters
A description is not available for this item.

November 22, 2002
Household and similar electrical appliances – Safety – Part 2.21: Particular requirements for storage water heaters
This clause of Part 1 is replaced by the following.
This International Standard deals with the safety of electric storage water heaters for household and similar purposes and intended for heating...

November 22, 2002
Household and similar electrical appliances – Safety – Part 2.21: Particular requirements for storage water heaters
A description is not available for this item.

November 22, 2002
Household and similar electrical appliances – Safety – Part 2.21: Particular requirements for storage water heaters
A description is not available for this item.