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Ajax WaterStop 25mm White (AJAX-WS-25-W) — wireless motorised ball valve that automatically shuts off the water supply when a leak is detected by an Ajax LeaksProtect sensor. The Ajax WaterStop installs inline on a water pipe and connects wirelessly to Ajax Hub. When a paired LeaksProtect floor sensor detects water, the Hub commands the WaterStop to close instantly — stopping the leak at the source before water damage spreads. It can also be opened and closed manually from the Ajax app at any time, making it useful for remotely shutting off water when leaving home. The 25mm thread fits standard 25mm (1-inch) pipe fittings commonly used in South African residential and light commercial plumbing. Battery powered, no electrical connection to the pipe required. Key features Automatically closes on LeaksProtect leak alarm Manual open/close via Ajax app from anywhere 25mm thread — fits standard 1-inch pipe fittings Wireless Jeweller protocol to Ajax Hub Battery powered — no mains wiring to the valve White finish Specifications Model: AJAX-WS-25-W Colour: White Thread size: 25mm (1 inch) Valve type: motorised ball valve Protocol: Ajax Jeweller (wireless) Power: battery Requires: Ajax Hub + Ajax LeaksProtect Need help choosing? Contact us at +27 32 586 3694 or support@audicoonline.co.za.