AJAX 65146.146.BL3 WaterStop 1/2" Jeweller, Black

Protect facilities, server rooms and critical infrastructure from costly water damage with the AJAX WaterStop 1/2 in liquid leak sensor and automatic shut-off valve. Designed for professional security and monitoring systems, this device closes the water supply in about 7 seconds when a leak alert is received from an Ajax LeaksProtect or compatible third-party detector. The WaterStop pairs a durable 1/2 in valve with a powerful electric actuator and offers manual override for maintenance and emergency access. Remote control and status updates are available through the Ajax app, enabling 24/7 surveillance and rapid response from anywhere. With up to 3 years of operation on pre-installed batteries and adjustable stuck-prevention intervals, the unit delivers dependable, low-maintenance operation for commercial and industrial deployments. Integration-ready automation lets you trigger shutoff by alarm, schedule or security mode change, simplifying building automation and asset protection. Install WaterStop as part of your security, monitoring or building management system to prevent downtime and financial loss — ideal for data centers, retail locations, and multi-unit facilities.

• Fast automatic shut-off: stops mains water in approximately 7 seconds after a leak is detected to minimize property damage and downtime.
• Remote monitoring & control: full status checks and valve control from anywhere via the Ajax app for instant response and peace of mind.
• Robust 1/2 in valve with manual override: industrial-grade valve plus an electric actuator and a manual lever for on-site operation during maintenance.
• Long-life power & reliability: up to 3 years on pre-installed batteries and adjustable stuck-prevention for uninterrupted protection.
• Integration & automation: supports alarm-driven scenarios, scheduled shutoffs and security mode triggers to fit building automation and surveillance workflows.
• Tamper-resistant design: mounting locks and secure pairing reduce risk of unauthorized disassembly or tampering on critical installations.