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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:
  • Zigbee 3.0
  • Frequency: 2.4 GHz
  • Transmit Power: +20 dBm
  • Receiver Sensitivity: -108 dBm
Connectivity Requirements:
  • Permanent Internet Connection
  • Compatible Zigbee Gateway
  • Smartphone or Tablet
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)
Certifications and warranty

3 years limited warranty.

Included in the Box
  • Smart Water Valve VA4220ZB or VA4221ZB
  • Installation guide – French version
  • Installation guide – English version
  • 1 AC power adapter (4.9 ft cable)