New generation

The smart water valve designed to protect your belongings

Buy now
Smart water valve ¾ in – 2nd gen – Wi-Fi

Stay in control anytime, anywhere

The smart valve works perfectly with your smart home ecosystem

  • Control your water inlet valve from anywhere, anytime

    Avoid oversights. Control your valve from any smartphone or tablet*

  • Two power sources for ongoing operation

    Plug your valve and add a backup power source with batteries (not included) for ongoing operation, even during power outages

  • Always ready

    Equipped with a self-testing system ensuring proper operation of your valve at all times

  • Exciting new features

    Add a water flow sensor for added protection

Smart water valve ¾ in – 2nd gen – Wi-Fi

Protect your belongings from water damage

A simplified protection within your reach

  • Removable controller

    Easily detach the motor while keeping the manual control of the main water supply without altering your plumbing

  • Durable and reliable conception

    Stainless steel valve body, maximum pressure resistance to 145 PSI, controller’s base made of fiberglass and much more

  • Compact design, easy installation

    Install the valve in the most hard-to-reach places

  • Full port ball valve

    The full port ball valve’s design prevents any restriction of water

Smart water valve ¾ in – 2nd gen – Wi-Fi

The Sinopé smart home

Protect your belongings and stay in control. A smart solution is now within your reach.

The Sinopé smart home

Protect your belongings and stay in control. A smart solution is now within your reach.

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



Height: 11.6cm (4.56 in)

Width: 10 cm (3.97 in)

Depth: 8 cm (3.17 in)

Valve diameter: ¾ in FPT x ¾ in FPT



Height: 12.2cm (4.79 in)

Width: 10 cm (3.97 in)

Depth: 8 cm (3.17 in)

Valve diameter: 1 in FPT x 1 in FPT





The Sedna smart water valve connects directly to the main water inlet and can interact with the following devices *:

Depending on the plumbing of the main water supply, additional parts may be required (not included).

Possibility of adding a secondary valve (VA4220ZB) if two water inlets are present.
Contact the sales department for more details.

* Indoor installation only.

Compatible platforms

  • Compatible with:

    • Neviweb
    • Google Assistant*
    • Amazon Alexa*
    • SmartThings*

    *Requires the Neviweb app



  • Remote access and control of the main water supply through smartphone and tablet*
  • Works with Wi-Fi
  • Compact design facilitating access to the product once installed
  • Possibility to back-up the device with lithium batteries (not included) for ongoing operation
  • Self-testing system ensuring proper operation at all times throughout the life of the device
  • Can be used as a stand-alone leak monitoring unit (in combination with the leak detectors WL4200 and WL4200S or the flow detector (FS4220)
  • Possibility to open and close the valve manually
  • Removable controller allowing the replacement of parts without any further modification to the plumbing

Operating mode

  • The valve shuts-off the main water supply as soon as a leak is detected. *

    A notification is sent by e-mail or text message indicating the source of the leak and the closing of the valve.

* Requires Sinopé’s smart water leak detectors and the Neviweb app available on the App Store and Google Play.


Connectivity requirements


  • Permanent Internet connection
  • Wi-Fi Router
  • Smartphone or tablet

Operating voltage / power source

5V / 5W (included)

Backup power source

4 AAA lithium batteries (not included)


Valve body: Stainless steel, lead-free

Controller’s base: Fiberglass reinforced

Ball valve: Full port valve

Maximum pressure: 145 PSI

Maximum torque: 2.5 N.m


Operating temperature

0 °C to 40 °C (32 °F to 104 °F)

Maximum water temperature

85 °C (185 °F)


-20 °C to 50 °C (-4 °F to 122 °F)


Complies with CSA B125.3-12 Plumbing fittings

EU RoHS 2 tested valve body (Directive 2011/65 / EU)


Wi-Fi Transmission

IEEE 802.11 b/g/n @ 2.4 GHz


Zigbee transmission

Zigbee 3.0 profile

Frequency: 2.4 GHz

Transmission power: +20 dBm

Receiver sensitivity: -108 dBm


3 years

In the box

  • VA4220WF or VA4221WF smart water valve
  • Installation guide – English version
  • Installation guide – French version
  • 1 AC power adaptor (4.9 ft)


North American


  • Smart
  • ¾ in diameter
  • Works with Wi-Fi

In stock

Please note that the average processing time for this product is 5 to 7 business days.

3/4 in

¾ in PEX

1 in

FREE STANDARD SHIPPING for all online orders of $50 or more delivered in the United States.

Sinopé technologies is offering FREE STANDARD SHIPPING on all online orders over $50, after promo discounts, and before taxes. This shipping offer applies only to orders being shipped to the United States (no postal box shipping). Note that the right to free delivery may be revoked if you change the delivery address of your order or if you cancel one or more items ordered reducing the total before taxes of the order under $50. Please note that due to COVID-19 UPS and Canada Posts cannot guarantee delivery times.

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