Compatible with both Luminor & Viqua UV units the solenoid valve shuts off water when the UV reading/status is not satisfactory.
 
Valve Details:
- Brand: Burkert
- Operation: Normally Closed
- Power: 230V (Switched from UV unit) 
- Material: Brass
- Connection size: Available in 0.5", 0.75" & 1" BSP to suit UV units.