WaterStop
Remotely controlled water shutoff valve

Compatibility
Hubs
Radio signal range extenders
Communication
Jeweller communication technology
Proprietary wireless technology for transmission of events.
- Two-way communication.
- Protection against device spoofing.
- Block encryption featuring a floating key.
- Instant notifications.
- Remote configuration via the Ajax apps.
Radio frequency bands
868.0 – 868.6 MHz
868.7 – 869.2 MHz
905.0 – 926.5 MHz
915.85 – 926.5 MHz
921.0 – 922.0 MHz
Depends on the sales region.
Maximum effective radiated power (ERP)
up to 20 mW
Automatic power control to reduce power consumption and radio interference.
Radio signal modulation
GFSK
Radio communication range
up to 3,600 ft
Between the device and the hub (or radio signal range extender) without obstacles.
Radio signal encryption
All the data stored and transmitted are protected by block encryption with a floating key.
Frequency hopping
To prevent radio interference and jamming.
Operating components
shutoff valve
½, ¾, or 1" Bonomi shutoff valve provided.
electric actuator
Controls water supply.
mount
Installs between the shutoff valve and the electric actuator.
mounting lockers
Water shut-off
shutoff valve
Fields of application
water supply
heating systems
Operating fluid
hot and cold water
non-aggressive liquids
Shutoff valve material
brass
Connection type and thread of shutoff valve
female—female
- ½″ (15 mm)
- ¾″ (20 mm)
- 1″ (25 mm)
Operating pressure
40 bar
The temperature range of liquids the shutoff valve is suitable for
from 41°F to 248°F
Flange for connecting the electric actuator
mount
Made according to the ISO 5211 standard.
Lever on mount
For manual water supply shut-off in emergencies. Water supply control requires no tools.
Water shut-off
electric actuator
Torque
up to 10 N•m
Speed of water shut-off
up to 5 seconds
The value may increase due to contamination of the shutoff valve.
Remote control
device is configured and controlled via Ajax apps
Manual control
button on the electric actuator enclosure
When pressed, the shutoff valve opens/closes.
Additional features
Installation
- quick dismantling and installation of the electric actuator on the flange without tools
- 4 installation positions of electric actuator on the flange
- mounting lockers for protection from unauthorized dismantling
LED indication
The colour of the LED illumination of the Ajax logo indicates the electric actuator status.
Scenarios
- reactions to alarms
- security mode change reactions
- scheduled actions
- by pressing Button
- by temperature
- by pressing LightSwitch
Temperature protection
Recommendations
Anti-sabotage protection
Protection against spoofing
device authentication
Detection of communication failure
from 36 s
Tampering alarm
Mounting lockers for fastening
The kit includes two options:
- Standard (pre-installed) — for quick fixing of the electric actuator on the shutoff valve. Easily removable for quick valve access.
- Alternative — installed instead of a standard locker. Securely fastens the electric actuator to the shutoff valve. Protects against unauthorized dismantling of the electric actuator.
Power supply
Battery powered
4 × CR123A battery
Up to 3 years of battery life.
Optional external power supply
9 V⎓, 2 A
The batteries become a backup power source when external power is connected.
Enclosure
Dimensions
4.09″ × 5.51″ × 2.76″
Full size (shutoff valve Bonomi ½" + electric actuator).
4.09″ × 5.91″ × 2.76″
Full size (shutoff valve Bonomi ¾" + electric actuator).
4.11″ × 6.26″ × 2.76″
Full size (shutoff valve Bonomi 1" + electric actuator).
3.66″ × 2.76″ × 3.74″
Dimensions of the electric actuator.
2.95″ × 1.06″
Dimensions of the ½" Bonomi shutoff valve.
3.15″ × 1.26″
Dimensions of the ¾" Bonomi shutoff valve.
3.54″ × 1.61″
Dimensions of the 1" Bonomi shutoff valve.
Weight
30.65 oz
Total weight (shutoff valve Bonomi ½" + electric actuator).
35.7 oz
Total weight (shutoff valve Bonomi ¾" + electric actuator).
47.13 oz
Total weight (shutoff valve Bonomi 1" + electric actuator).
18.9 oz
Electric actuator weight.
11.75 oz
The weight of the ½" Bonomi shutoff valve.
16.79 oz
The weight of the ¾" Bonomi shutoff valve.
28.22 oz
The weight of the 1" Bonomi shutoff valve.
Operating temperature range
from 32 °F to 140 °F
Operating humidity
up to 95%
Protection class
IP56





Colours
Black

White

Complete set
WaterStop Jeweller
4 CR123A batteries
Pre-installed.
Quick Start Guide