SAIER SEN-SZ21WA Water Solenoid Valve


Out of stock

Approx Restocking Date: 25 to 30 Days
SKU: 1706483
  1. Brand: Saier
  2. Working water pressure(MPa): ≤1.75
  3. Input Voltage Range: AC220V / DC12V / DC24V
  4. Input Current(A): 0.048(220V) / 0.48(12V) / 0.235A(24V)
  5. Insulation Resistance (MΩ): 4.85KΩ(220V)/25Ω(12V)/100Ω(24V)


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Brand: Saier
Category: Water TDS, pH, Flow, Level and Pressure Sensor
Tags: Saier

The SAIER Water Solenoid Valve is your trusted partner for monitoring water flow with precision and ease. Whether you’re managing industrial processes, automating your home, or working on IoT projects, this sensor has you covered.

Equipped with advanced turbine sensor technology, it delivers accurate and reliable flow measurements. Its compact design allows for easy installation even in tight spaces, making it versatile for various applications.

With a wide flow rate range, it accommodates a spectrum of needs, and its durable construction ensures long-term performance. This sensor isn’t limited to just liquids; it can also handle gases, providing even more flexibility.

Choose between analog or digital output options, depending on your project requirements. From industrial settings to home automation and cutting-edge IoT projects, the SAIER Water Solenoid Valve is the dependable choice for all your flow monitoring needs.


Note: The product is Normally closed type. 


  1. Precise water flow measurement for various applications.
  2. Reliable turbine sensor technology ensures accuracy.
  3. Compact and easy to install in tight spaces.
  4. Wide flow rate range to suit diverse needs.
  5. Durable construction for long-term use.
  6. Suitable for both liquids and gases.
  7. Analog or digital output options for flexibility.
  8. Ideal for industrial, home automation, and IoT projects.

Package Includes:

1 x SAIER SEN-SZ21WA Water Solenoid Valve



Working water pressure(MPa)


Input Voltage Range

AC220V / DC12V / DC24V

Input Current (A)

0.048(220V) / 0.48(12V) / 0.235A(24V)

Insulation Resistance (MΩ)

>100, 4.85KΩ(220V)/25Ω(12V)/100Ω(24V)

Storage Humidity


Storage Temperature


Shipping Weight 0.116 kg
Shipping Dimensions 12 × 10 × 5 cm
15 Days Warranty

This item is covered with a standard warranty of 15 days from the time of delivery against manufacturing defects only. This warranty is given for the benefit of Robu customers from any kind of manufacturing defects.  Reimbursement or replacement will be done against manufacturing defects.

What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

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Questions and answers of the customers

  1. 0 votes
    Q Is it I inch inner dia ? answer now
    Asked by iliyas on January 19, 2024 2:55 pm

    It has an inner diameter of 0.5 inch 

  2. 0 votes
    Q What is the dia of the pipe connection ? answer now
    Asked by anilkumar150886 on December 6, 2023 10:39 pm

    diameter of solenoid valve is 0.5 inch, so you ... Read more

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Country Of Origin: China