Smart | Electric Water Valve Controller | DN15 | 52271.146.WH1 Ajax

Technical specifications

Communication technology: Jeweller, two-way communication, AES encryption, anti-tampering protection
Radio frequency range: 866–926.5 MHz (depending on the region)
Operating range: up to 1,100 m (without obstacles)
Valve: RuB brass shut-off valve 1/2" (DN15), NPT threads
Working fluid: cold and hot water, non-aggressive liquids
Operating temperature (fluid): –20 °C to +177 °C
Operating temperature (device): 0 °C to +60 °C
Operating pressure: up to 10 bar (145 psi)
Closing speed: up to 7 s
Torque: up to 8.5 N·m
Power supply: 4× CR123A batteries (up to 3 years of operation) or external power supply 7.5–14 V DC (1.8 A)
Backup function: batteries work as a power source when external supply is interrupted
Dimensions: 104 × 140 × 70 mm (with actuator)
Weight: ~0.86 kg
Additional features: manual shut-off lever, LED indication, tamper sensor, scenario control via Ajax apps

Functions

Automatic or remote water shut-off via Ajax app.

Integration with other Ajax devices – water leakage, smoke, or temperature sensors.

Instant phone notifications about status changes or alarms.

Alerts if someone tries to remove or damage the device.

Scenario-based control: e.g., in case of water leakage – the valve closes automatically.

Manual control via lever or button.

Usage

Household user: protection against flooding of apartments or houses, ability to remotely shut off water supply via phone, convenient when leaving for holidays.

Engineer: integration into smart building management systems, supports scenario logic (temperature, humidity, alarm modes).

Electrician: quick installation without special tools, easy connection to Ajax ecosystem.

Commercial objects: offices, hotels, restaurants – flood protection, automated system management.

Pros

Reliable protection against flooding and accidents.

Quick installation and intuitive operation.

Integration with Ajax security ecosystem.

Can operate both on batteries and external power supply.

Manual control in emergency situations.

Real-time notifications and scenario support.

Cons

Requires Ajax HUB or compatible extension module.

Cannot be used with aggressive liquids (only water and non-aggressive fluids).