The notified Protocol establishes the certification procedure for pumps for water recirculation through a filter, which are primarily used in swimming pools (mobile pool pumps), designed mainly for liquids of a temperature not exceeding 90°C, intended for household and similar purposes, with a rated voltage not exceeding 250 V for single-phase appliances.It does not apply to the following water pumps:(a) Pumps for aquariums(b) Pumps for garden ponds(c) Shower booster pumps(d) Submersible pumps(e) Vertical pumps for wet wells(f) Industrial pumps (peripheral water pumps)