Apparatus and technology for disinfecting water; uv-led water disinfecting apparatus and technology; ultraviolet (uv) radiation apparatus and technology for water treatment; water purification apparatus and technology for domestic use; water purification apparatus and technology for marine use; water purification apparatus and technology for use in motor vehicles; ultraviolet (uv) radiation apparatus and technology for use in water dispensing apparatus; ultraviolet (uv) radiation apparatus an...