52268.155.BL1 #52268 Ajax WaterStop ¾" (DN 20) Jeweller Black is a wireless motorized water shut-off valve, ideal for protecting homes, offices, and shops from leaks and flooding. Made of brass with ¾" (20 mm) threading, it features Jeweller 868 MHz two-way radio communication with a range of up to 1,100 m for remote control via the Ajax system. Equipped with Tamper protection and battery power, it offers a reliable solution for smart water system management and water damage prevention. Ajax