Verified compatibility
We test every device for these ecosystems. For non-standard integrations contact us before ordering.
- Home Assistant
- Zigbee
- Matter
- KNX
- Wi-Fi
Compatibility
Works with these ecosystems
Ecosystems
- Ajax
What it is, who it's for, what it does
About this product
The Ajax WaterStop Jeweller (DN15, ½") is an electrically actuated ball valve for the Ajax system. It shuts off water automatically on a leak and joins scenarios.<br><br>Shut-off in 7 s on a LeaksProtect alarm, 8.5 N·m torque, manual control via button and lever. Brass RuB valve DN15 (BSPP), hot/cold water, up to 10 bar. Jeweller up to 1,100 m — an Ajax hub is required.<br><br>Power 4× CR123A up to 3 years + optional external 9–12 V supply. Size 104×140×70 mm, ~869 g, black. Indoor only. 24-month warranty from CasaSmart, delivery across Moldova.
- DeliveryDelivery 50 MDL
- Returns14 days to return
- Warranty24 months
15+projects delivered300+devices installed3 yearslocal-first experienceChișinăushowroom Columna 153Book a showroom visit →
CasaSmart essentials
What it works with, what it needs, what you can do
Install & requirements
What you need on your side and what we deliver.
- Zigbee hub or Matter gateway for wireless variants
- 65 mm back-box or DIN panel for wired variants
- Local setup on Home Assistant — included in install
Smart scenarios
Three typical automations we set up after the install.
- 01Morning: warm light + blinds up + climate at 22 °C
- 02Leaving: lights off, arm sensors, close the gas
- 03Evening: warm ambient + cinema scene
Where it works
Use cases
Shuts off water in 7 s on a LeaksProtect or third-party detector alarm.
Closes the water on a schedule or when the system is armed.
Shuts off pipes when temperature drops in an unheated room.
For the installerTechnical specificationsfull spec · wiring · datasheet
For the installer
Technical specifications
full spec · wiring · datasheet
Other
- Type
- Controlled motorized ball valve
- Valve
- RuB brass, DN15 (½", BSPP)
- Operating pressure
- up to 10 bar
- Environment
- hot/cold water, non-aggressive liquids
- Liquid temperature
- −20…+177 °C
- Drive torque
- up to 8.5 N·m
- Closing speed
- up to 7 s
- Manual control
- button on actuator + lever on housing
- Dimensions (assembled)
- 104×140×70 mm
- Weight (assembled)
- 869 g
- Operating temperature
- 0…+60 °C
- Operating humidity
- up to 95 (non-condensing) % RH
- Tamper protection
- tamper + anti-sabotage latch
- Compatibility
- all Ajax hubs and range extenders
- Color
- Black
Connectivity
- Protocol
- Jeweller (868 MHz)
- Communication range
- up to 1100 (line of sight) m
- Polling interval
- 12–300 s
Power
- Power
- 4× CR123A (up to 3 years) + optional PSU 9–12 V, 2 A
Support
Frequently asked questions
Does it need an Ajax hub?
Yes. WaterStop runs on Jeweller and needs an Ajax hub. It is compatible with all Ajax hubs and range extenders.How does it protect against leaks?
On a LeaksProtect or third-party detector alarm, WaterStop shuts off the water in 7 seconds and all users get a notification.Does it work with Home Assistant, Alexa or Google?
No. Ajax is a closed ecosystem; the device is controlled from the Ajax app, not via Home Assistant, Alexa or Google.What size and which water?
A brass RuB valve DN15 (½", BSPP thread) for hot and cold water, working pressure up to 10 bar.How is it powered?
4× CR123A (pre-installed) lasting up to 3 years. Optionally an external 9–12 V, 2 A supply; the batteries stay as backup.Who installs it and what warranty?
A plumber fits the valve, an installer adds the actuator; indoor only. 24-month warranty from Evrinet SRL, delivery across Moldova.
Same ecosystem
Works together
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Same category
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Manager guidance
Questions about this product?
A CasaSmart manager calls you within 1–2 working hours and answers anything — compatibility, install, alternatives.
+373 60 944 922Updated: · reviewed by CasaSmart Expert Team