Freezers; Showers; Aquarium filtration apparatus; Aquarium lights; Bath installations; Disinfectant apparatus for medical purposes; Filters for drinking water; Furnace boilers; Luminous tubes for lighting; Ornamental fountains; Pasteurizers for use in the food, beverage and pharmaceutical industry; Purification installations for sewage; Sewage purification installations; Solar thermal installations, namely, solar thermal modules; Swimming pool chlorinating apparatus; Water filtering apparatus...