Ajax WaterStop (DN15 / 1/2") is a wireless smart shut‑off valve combining a high‑quality RuB (Bonomi) brass ball valve with an electric actuator and Ajax Jeweller radio module. Integrate with an Ajax Hub and LeaksProtect (or compatible third‑party leak sensors) to automatically cut the water supply on leak detection, by schedule or via the Ajax app. Ideal for residential and commercial flood‑prevention installations.

• Remote control via Ajax app or manual on‑device button; supports scheduled and automation scenarios.
• Automatic shut‑off on leak detection when paired with LeaksProtect or an integration module.
• Quick valve closure: closes in approximately 5–7 seconds.
• High‑quality RuB brass ball valve (Bonomi) — reliable for hot and cold water systems.
• Battery powered (4 × CR123A pre‑installed) with optional external 7.5–14 V DC supply for mains‑powered installations.
• Anti‑sabotage bracket option for public or exposed installations.
• Jeweller encrypted radio protocol with long radio range; signal‑level test available in app.

Who it’s for: homeowners, landlords, small commercial premises and installers looking to add automatic flood prevention and remote water control to smart security systems.

Compliance & safety: Designed for indoor plumbing installations. Check local regulations and installation standards. Where required, fitting should be carried out by a qualified plumber. See official manual for installation constraints, electrical wiring and maintenance. Product includes 24‑month warranty.