Ключевые слова:
Boilers|Ratings|Central heating|Marking|Control devices|Hot-water central heating|Temperature measurement|Cast-iron|Domestic|Hot-water boilers|Safety measures|Performance|Test equipment|Steels|Width|Instructions for use|Water-tube boilers|Performance testing|Flow measurement|Boiler tubes|Thermostats|Solid-fuelled devices|Strength of materials|Testing conditions|Thickness|Volume measurement|Screwed fittings