Ajax WaterStop: Ajax Smart Electronic Water Stopper (1/2”)

Ajax WaterStop Automatically shuts off the water supply within a period Within 7 seconds of a LeaksProtect leak sensor or a third-party leak sensor detecting a problem, the device is fully integrated into the Ajax security system. Combining high-quality valves and powerful electric motors, it allows for remote control and monitoring via the Ajax app, from anywhere with an internet connection. Additionally, users can set up scenarios for automatic water shutoff based on time or when security mode is activated.

Turn off the water for 7 seconds.

The Ajax WaterStop is equipped with an electric motor delivering up to 8.5 N•m of torque, powerful enough to lock even jammed water valves without causing damage. Under standard conditions (¾-inch pipe, 2.5 bar pressure), the valve will shut off the water in just 7 seconds, limiting leaks to under 1 liter.

• Suitable for areas with unstable or intermittent power supply.

• The system operates 24/7 using batteries or backup power.

Comprehensive protection

Ajax WaterStop works well with both hot and cold water and is designed to withstand harsh environments. It includes built-in electrical safety features such as:

• Motor overheating warning

• Overcurrent protection

High-quality brass material – Widely compatible

Ajax WaterStop offers three valve size options:

• ½” (DN 15)

• ¾” (DN 20)

• 1” (DN 25)

In addition, the device's electric motor is compatible with various types. ISO 5211 standard ball valve Common, easily replaced and installed by a technician or plumber.

Simple installation – No drilling required.

Ajax breaks the stereotype that flood control systems are complex and expensive to install. The device has a compact design, is easy to install in tight spaces, and does not require fixed mounting. The valve is installed in series within the existing plumbing system, and the motor can be mounted in four flexible directions without the need for electrical wiring.

Stable operation for many years

Battery operated

• Uses replaceable CR123A batteries.

• Battery life lasts up to 3 years.

• Receive Low battery warning early via app

External power supply (optional)

• Connect to the power source. 9–12 V⎓ when continuous operation is required or in extreme temperature environments.

• The battery still plays a role as backup source

Proprietary wireless technology

Ajax WaterStop uses the Jeweller protocol:

• Wireless connectivity range up to 1,100 meters (in open space)

• Encryption and two-way authentication, preventing tampering and data theft.

• Automatically adjusts transmission power to save battery power.

• Countermeasures against interference and eavesdropping are achieved using frequency hopping technology.

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Intelligent automation – Maximum safety

Automatically shuts off water supply when a leak is detected.

• When LeaksProtect or a third-party leak sensor (connected via Transmitter or MultiTransmitter) detects a leak, Ajax WaterStop automatically shuts off the water immediately.

The water shuts off when the safety mode is activated.

• When you activate the security system, Ajax WaterStop can automatically shut off the water, ensuring there are no leaks while you're away.

Schedule automatic water supply

• Users can install Water supply schedules , for example, only turning on the water during working hours and automatically turning it off at the end of the workday.

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Ajax WaterStop – Instant water shut-off, smart and effective property protection.

Ideal for:

• Apartments, villas

• Offices, hotels

• Warehouses, shopping centers