Viqua VH410M UV Water Purification System, 18GPM 120VAC (NEMA 5-15P) MONITORED For applications requiring up to 18 gpm (70 lpm) flow rates.Continuous feedback of UV disinfection performance for added peace of mind. Power Consumption: 60 Watts. VH410M replaces the Sterilight SSM-37, SSM-39, SCM-200, SCM-320, SP320-HO and SP410-HO systems.