QUARTZ SLEEVE SUPPORT FOR AN UV-LAMP

The present invention relates to an apparatus (1) for the treatment of water, said apparatus comprising: - an elongated housing (2) having a first end and a second end, said first end having a water inlet (3) and said second end having a water outlet (4); - an elongated ultraviolet radiation source (5, 6) with a sleeve (6) concentrically located within the elongated housing (2), said elongated ultraviolet radiation source (5, 6) having at its first end electrical connections, which extend through said second end of the housing (2) and having a second free end (6') held in a support element (8), wherein the support element (8) comprises a supporting structure (10) containing a ring element (11) and from thereon radially inwardly running arms (12), wherein the arms (12) are designed in such a way that during assembly the arms are resiliently deformed and wherein if assembled the arms are pressed against the sleeve (6), so that the free end (6') of the ultraviolet radiation source (5, 6) is held by the arms (12) in a resilient manner.