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Immediately detected, immediately closed!

As soon as a water leak is detected, the signal is sent to the Sedna valve to trigger automatic closure of the water inlet. An alert is sent by e-mail and push notification, indicating the location of the leak and confirming that everything is under control.

Water leak detector with probe under a freezer

They are designed to monitor even the most hard-to-reach locations at risk.

The various detector models slip discreetly under or near appliances likely to leak water. They all have their place, from the cellar to the attic, and alert you to the slightest amount of water or low battery level.

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View of the Neviweb app

A user-friendly, intuitive app that gives you total control over your system.

Open and close the valve remotely.


Check the status of your connected devices.


Receive an alert when water is present, there's a risk of freezing or the batteries are low via the Neviweb app (internet connection required).

Learn more

Sedna - Smart Water Valve

Features and technical specifications

Operation in 3 easy steps
1. Water leak detection

The water leak detector emits an audible alarm and sends a closure signal to the Sedna valve.

2. Water inlet closure

As soon as it receives the signal from one of the water leak detectors, the valve closes the water inlet automatically.

3. Sending alerts messages

As soon as the leak is detected, you will receive an email or push notification notifying you about the source of the leak and the closure of the water inlet*.

*Requires a permanent Internet connection and the Neviweb app available on the App Store and Google Play.

Up to 20 water leak detectors can be controlled with a single Sinopé smart water valve (VA4220WF / VA4221WF).

It's also possible to operate the valve without an Internet connection. However, you won't receive any notification when a water leak is detected.

Installation
  • The installation of the valve should be performed by a certified professional in accordance with local and national building codes.
  • Indoor installation only.
  • Horizontal or vertical installation.
Technical specifications

Valve Dimensions – ¾ in
  • Height: 11.6 cm (4.56 in)
  • Length: 10 cm (3.97 in)
  • Width: 8 cm (3.17 in)
  • Valve Diameter: ¾ in NPT x ¾ in NPT
Valve Dimensions – 1 in
  • Height: 12.2 cm (4.79 in)
  • Length: 10 cm (3.97 in)
  • Width: 8 cm (3.17 in)
  • Valve Diameter: 1 in NPT x 1 in NPT
Power Supply:
  • 5V / 5W (included)
Backup power (valve):
  • 4 AAA lithium batteries (not included)
  • Uninterruptible power supply system ACUPS-01 (not included)
Communication with Router:
  • Wi-Fi Transmission: IEEE 802.11 b/g/n @ 2.4 GHz
Communication with Detectors:
  • Zigbee 3.0
  • Frequency: 2.4 GHz
  • Transmit Power: +20 dBm
  • Receiver Sensitivity: -108 dBm
Connectivity Requirements:
  • Wi-Fi Connection: IEEE 802.11 b/g/n @ 2.4 GHz
  • Permanent Internet Connection
  • Smartphone or Tablet
  • Neviweb app available on the App Store and Google Play
Temperature Ranges:
  • Operating Temperature: 1 °C to 40 °C (34 °F to 104 °F)
  • Maximum Water Temperature: 85 °C (185 °F)
  • Storage: -20 °C to 50 °C (-4 °F to 122 °F)

Ball valve
Standard NPT valve

Valve body: Stainless steel, lead-free
Actuator’s base: Fiberglass reinforced
Ball valve: Full port valve
Maximum pressure: 145 PSI
Maximum torque: 2.5 N.m

PEX valve

Valve body: Brass with nickel plating, lead-free
Actuator’s base: Fiberglass reinforced
Ball valve: Full port valve
Maximum pressure: 150 PSI
Maximum torque: 1.0 N.m

Certifications and warranty
Standard valve

Complies with CSA B125.3-12 Plumbing fittings
EU RoHS 2 tested valve body (Directive 2011/65 / EU)
NSF/ANSI61 compliant

PEX valve

Complies with CSA B125.3-12 Plumbing fittings
CSA B125.14 compliant
Complies with NSF/ANSI61 standard


Detector

Complies with transmitter module IC: 22394-ZBM1501/ FCC ID: 2AK2T-ZBM1501

3-year limited warranty.
North American version.
Included in the box

  • Smart Water Valve VA4220WF or VA4221WF
  • Installation guide – French version
  • Installation guide – English version
  • 1 AC power adapter (4.9 ft cable)

Ressources
FAQs
How does the valve work?

The valve receives water leak alerts from the detectors and reacts within seconds to shut off the water supply of your home. You'll know that everything is under control.

What are the differences between Wi-Fi and Zigbee valves?

The Wi-Fi valve (VA4220WF / VA4221WF) is considered the main valve. In the event of a power failure, the valve will continue to watch over your property for up to 48 hours if you install an uninterruptible power supply and use AAA lithium batteries.

The Zigbee valve (VA4220ZB / VA4221ZB) can act as a secondary valve to your main valve VA4220WF / VA4221WF, allowing you to shut off a second water inlet in case of a leak detection.
Once paired, the two valves operate in perfect synchronization: they will always share the same state (OPEN / CLOSED), regardless of whether the command comes from the main or secondary valve.

Paired with the GT130 gateway or another compatible Zigbee gateway

  • Enables remote control of the valve (open and close) through your Zigbee-compatible gateway.
  • Allows for automatic water shut-off when your smart home ecosystem reports a leak.

The leak detector communicates with the gateway, which applies the configured rules or automations and then sends a signal to the valve to trigger its closure.

Can I connect other smart devices to the valve?

Up to 20 sensors and other connected accessories can be added to the Sedna valve for the most powerful and complete water protection system. You can, for example, connect a secondary valve if you have two water inlets, or smart switches and dimmers to control the opening and closing of the water inlet with a double-click.

Note, however, that you won't be able to control these devices using automations in Sinopé's Neviweb app. Instead, they will have valve-specific programming.

Which valve should I choose if I want to install a flow sensor?

We recommend the NPT valve if you wish to install a flow sensor. The reason is simple: the flow sensor is not available in the PEX version. If your water inlet is PEX and you've installed the PEX valve, you'll need to install adapters to add the flow sensor.

    How about a rebate on your next purchase of thermostats offered by your power utility?