The Ajax Systems WaterStop 3/4" is a wireless water valve that detects leaks. It can operate both as part of the Ajax security system and independently without a Hub.

Water supply control scenarios include:

• With alarm – in case of an alarm from the LeaksProtect leak detector.
• With schedule – to stop the water at a specific time.
• With security mode change – in case of arming and disarming.
• With the press of the LightSwitch.
• With the press of the button – for manual water shut-off in case of emergency.
• With temperature – e.g., to stop water in heating pipes for the winter.

Technical specifications:

• Wireless transmission power: 20 mW
• Communication protocol: Jeweller (868.0-868.6 MHz)
• Operating pressure: 40 bar
• Liquid temperature range: from +5°C to +120°C
• Operating temperature range: from 0°C to +60°C
• Electric actuator torque: up to 10 Nm
• Water shut-off speed: up to 5 seconds
• Battery type: 4 x CR123A
• Battery life: up to 3 years
• Compatibility: Hub Plus, Hub 2 (2G), Hub 2 (4G), Hub 2 Plus, Hub Hybrid (2G), Hub Hybrid (4G), ReX, ReX 2
• Maximum detector-central unit (HUB) distance: Up to 1,100 m (in open area)
• Tamper alarm: Yes
• Color: White
• Dimensions: 104x150x70 mm
• Weight: 1012 g