Four-Pin Lamp Contact for SITA 400 Series, UV028089/A, article 3867-1216. OEM reference: UV028089/A / 028089. Fits: SITA 400 series. Lamp cables and connectors age from heat and UV at the lamp end. Inspect for discolouration and brittle insulation at every lamp change, and confirm the version against the year of manufacture of the system. SITA HDPE series data: high-density polyethylene chamber for seawater and corrosive liquids, 1-980 m3/h, low-pressure high-efficiency or amalgam lamps with 9,000-16,000 h lamp life, 6 bar. Spare part for UV disinfection systems of S.I.T.A. srl, Genoa, Italy, which builds low-pressure, amalgam and medium-pressure UV units for drinking water, food and beverage, aquaculture, swimming pool, marine and wastewater duty (series AL, LCD / Rack LCD, AM, IT, 440, HDPE, SBT, SMP, SSD, TOC, GR and Pool).