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Technical specifications - Flow sensor

Dimensions

FS4220

Length:
60 mm (2.36 in)
Sensor diameter:
¾ in NPT x ¾ in NPT
Technical drawing of the FS4220 3/4 in flow sensor

FS4221

Length:
66 mm (2.60 in)
Sensor diameter:
1 in NPT x 1 in NPT
Technical drawing of the FS4221 1 in flow sensor

Installation

The installation of the flow sensor should be performed by a certified professional in accordance with local and national building codes.

Recommended
location

The flow sensor must be placed before the valve on the pipe to do optimal work.
Note: It is important to take into account the arrow on the sensor, which indicates the direction of the water flow and thus, the direction to be used to position the unit properly during installation.
* Depending on your plumbing, additional parts may be required (not included).

Compatibility

The flow sensor can interact with the following devices:

Smart water valve - Wi-Fi
2nd generation
VA4220WF/VA4221WF

Smart water valve - Zigbee
2nd generation
VA4220ZB/VA4221ZB

Features

  • Detects invisible leaks that can occur when pipes break in walls and ceilings
  • Sends a closing signal to the main water valve when a leak or abnormal flow is detected
*The flow sensor detects abnormal flow rates of 2L/min (¾ inch version) and 4L/min (1-inch version).

Flow range

FS4220

2-45 L/Min

FS4221

4-45 L/Min

Material

Stainless steel 304, lead-free

Resistance to hydraulic pressure

1.75 MPa (244 PSI)

Water temperature

≤ 60 °C (140 °F)

Certification

Compliant to ANSI B120.1

In the box

Sedna flow meter by Sinopé
  • 1 flow sensor FS4220 or FS4221 
  • Installation guide – French version 
  • Installation guide – English version

Warranty

3-year limited warranty

Version

Version North American
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