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IEC 60704-2-18:2022 applies to single-unit electric water heaters for household and similar use intended for placing on the floor against a wall, for building-in or placing under a counter, a kitchen worktop or under a sink, for wall-mounting or on a counter.

This document does not apply to:

– combustion water heaters;

– water kettles;

– heat pump water heaters;

– conventional electric storage water heaters as defined in IEC 60335-2-21:2012, Clause 1;

– instantaneous electric water heaters without any noise-producing components such as motors and pumps.

This document is intended to be used in conjunction with IEC 60704‑1:2021