VIQUA E4-50+ (6650638-R) - 9 GPM


The E4-50+ Plus Model is a 9 GPM point-of-entry system for medium to high flow applications that renders chlorine-resistant parasites, bacteria and viruses harmless. This system is tested and certified by NSF International against NSF/ANSI Standard 55 for Disinfection Performance, Class B. This system features a UV sensor for system performance feedback, an EOL timer that tells you when to replace the lamp, an LED status monitor to track system functionality, effectively disinfects water with UVT values as low as 50%, a stainless steel chamber, and 120 AC voltage.



  • Lamp (602806) - Replace every 12 months
  • Quartz Sleeve (602733) - Replace every 24 months or as needed
  • Lamp/Sleeve Combo Kit (602810-103)

PDF iconVIQUA E4-50+ Owner's Manual

PDF iconVIQUA E4-50+ Spec Sheet

PDF iconVIQUA E4-50+ Sensor Replacement Manual

PDF iconLamp and Sleeve Replacement Instructions