VIQUA - D4 Premium Whole House UV Disinfection Unit INSTALLATION & USE The Viqua D4 Premium UV disinfection system is an economical and chemical-free way to treat residential drinking water supplies. Perfect for a wide range of whole-home, point-of-entry water treatment solutions in homes, cottages, or OEM applicationsRecommended for flow rates up to 45 lpm (12 gpm)The High UV output lamp technology allows for a smaller eco-footprint, while providing the same UV performance as a longer chamberTo ensure ongoing disinfection of your water, it is recommended that the UV lamps be replaced every 12 months with suitable model replacements. The new interactive LCD display simultaneously displays UV intensity status, lamp life remaining, support contact information. Designed to inactivate Cryptosporidium, Giardia, and E.Coli. CONSTRUCTION Model: SilverConnection: 3/4" BSPTVoltage: 100-240V. 50-60HzPower Consumption: 50WAmbient Water Pressure: 2-40°C (30-104°F)Visual "Power-On": YesChamber Mat