Product Description
High Performance 1/4" Water Flow Switch – Normally Open Water Flow Sensor for Purifiers and Dispensers
Features:
Highly sensitive with excellent durability for long-term use.
Fast response time—activates in under one second.
Lightweight and compact design ensures stable and efficient performance.
Operates under low water pressure, easy to install, and safe to use.
Versatile application: suitable for water dispensers, water purifiers, vending machines, and more.
Working Principle:
When water flows through the designated channel, it pushes an internal magnet. As the magnet moves toward the reed switch, the magnetic field triggers the switch to close the circuit. When the water stops, a spring pushes the magnet back, disrupting the magnetic field and opening the circuit.
Specifications:
Model: ZJMFS-S2
Interface: 1/4" Quick Connect
Thread Size: G1/4
Start Flow Rate: <300ml/min (S2 Type)
Response Time: <1 second
Switch Type: Normally Open
Wire Length: 50cm
Connector Type: XH-2
Voltage Range: DC 0–110V
Max Closing Current: 0.5A
Max Load Current: 1A
Wire Strength: Withstands 20N for 10 seconds axially and vertically without damage
Water Pressure Resistance: 1.05MPa static pressure for 5 minutes without leakage or damage
Drop Test: Survives a 50cm drop on concrete from any direction without damage or malfunction
Environmental Conditions:
Water Quality: Turbidity <1, Fe+Co+Ni <0.3mg/L
Working Pressure: ≤0.8MPa
Water Temperature: 5–50°C
Humidity: <85%
Storage Temperature: -20–50°C
Package Includes:
1 x Water Flow Sensor
FAQs
Q1: Is this water flow switch suitable for low-pressure water systems, such as household water purifiers?
A1: Yes, the switch is designed to start at a very low flow rate (<300ml/min) and can operate under water pressure ≤0.8MPa, making it ideal for household water purifiers, dispensers, and similar low-pressure systems.
Q2: How should the switch be installed and connected? Is it easy to set up?
A2: The switch features a G1/4 quick-connect interface and comes with a 50cm wire pre-attached. Its lightweight design and simple structure ensure easy and secure installation without the need for special tools.
About Prime Living
Prime Living is a Canadian online store offering a carefully selected range of quality products for home, automotive, tools, outdoor living, electronics and more.
We are committed to fast order processing, secure packaging and reliable tracked shipping to provide an excellent shopping experience.
Shipping policy
We are always working hard to ensure your package arrives as soon as possible. Please understand that some factors like weather, high postal traffic, and the performance of shipping companies are outside of our control.
Returns
We offer a 14-Day Return Policy on items in which you are not completely satisfied with. You have the option of a full-refund or an exchange of the item.
Condition
Brand New
Shipping
This item is shipped directly from our supplier in China with tracking.