Descriptors | Pumps, Water pumps, Motor pumps, Domestic, Centrifugal pumps, Electrically-operated devices, Fluid equipment, Central heating, Hot-water central heating, Hot-water supply systems, Ratings, Temperature, Service pressure, Marking, Earthing, Electrical testing, Electric terminals, Dimensions, High-voltage tests, Leakage paths, Clearance distances, Flexible conductors, Corrosion tests, Sound intensity, Performance testing, Test equipment, Immersion tests (corrosion) |