Ключевые слова:
Pumps|Electrically-operated devices|Household equipment|Grades (quality)|Central heating|Motor pumps|Hot-water supply systems|Instructions for use|Performance testing|Testing conditions|Stationary|Rated voltage|Protected electrical equipment|Heating tests|Hot-water central heating|Water pumps|Electrical safety|Electrical household appliances|Endurance testing|Cold-water supply systems|Heating equipment|Temperature rise|Marking