Safety of household and similar electrical appliances - Part 2: Particular requirements for stationary circulation pumps for heating and service water installations— 21 стр.
Applies to electric stationary circulation pumps intended to be used in heating systems or in service water systems, and having a rated power input not exceeding 300 W.
91.140.10 Central. Including burners and boilers for central heating systems / Системы центрального отопления. Включая горелки и котлы для систем центрального отопления
