01AUTOMOTIVE REPAIR & SPECIALITY TOOLS
Precision sensing for every drop
A discreet black component that sits within the plumbing infrastructure, this sensor translates the movement of water into a readable signal. Its compact form factor allows it to integrate seamlessly into existing hot water inlet lines without disrupting the visual or spatial balance of the installation.
Designed for water heaters, vending machines, and flow measurement devices, it provides accurate feedback to controllers. It suits technical installations where reliable data on water volume is essential for automated control.


02MATERIALS
Durable construction for wet environments
The body is formed from hard plastic, offering resistance to corrosion while maintaining a lightweight profile. Inside, a stainless steel impeller shaft rotates as water passes through, ensuring durability against wear. The upper and lower force structure includes a seal ring designed to prevent leakage, while the Hall element is encapsulated with poured sealant to protect against aging.

04SPECS
Technical parameters for integration
The sensor handles a flow range of 1-60L/min under a working pressure of less than 1.20Mpa. It functions effectively in temperatures up to 80°C, with storage tolerances extending from -25°C to 80°C. Humidity requirements are moderate, operating between 35% and 90%RH without frost. The maximum operating current is 15mA at DC 5V, with a load capacity of no more than 10mA.
INSTALLATION
Compact design for easy fitting
Weighing little and occupying minimal space, the unit is straightforward to install in tight mechanical spaces. The G3/4" external thread standardizes its fitment across many plumbing setups. The packing carton measures 11 x 22 x 33 cm, providing ample protection for the delicate internal components during transit from supplier to site.
AT A GLANCE
The key points
- G3/4" external thread connection
- Hall element with pouring sealant
- Stainless steel impeller shaft
- Flow range 1-60L/min
- Operating temperature up to 80°C
About this product
Description The item is a professional and practical G3/4″ water flow sensor, which is mainly consists of plastic body, rotor assembly and Hall Current Sensor. It is installed in the hot water inlet end for detecting water flow. When water through the flow rotor assembly, magnetic rotor will rotate and will change as the flow change. Hall Current sensor output corresponding pulse signal and feedback to controller, then the controller will control the flow. It can be used for Water heaters, credit machines, water vending machine, flow measurement device. Features – Color: mainly black. – Material: durable hard plastic and stainless steel. – and G3/4″ External Thread Water Flow Sensor Flowmeter Hall Flow Sensor Water Control. – Light weight, small size, and easy to install. – Inlaid with stainless steel impeller shaft, durable and wearable. – Seal Ring with the upper and lower force structure, avoid leakage. – Imported Hall element, adopts pouring sealant encapsulation to avoid to leak and age. – Applied for water heater, imprinter, automatic water machine, and other flow metering equipment. Specifications – External threads: 3/4″. – Minimum rated working voltage: DC 4.5 5V-24V. – Maximum operating current: 15mA (DC 5V). – Working voltage range: DC 5-18V. – Load capacity: less than or equal to 10mA (DC 5V). – Working temperature range: less than or equal to 80°C. – Working humidity range: 35%~90%RH (no frost). – Flow range: 1-60L/min. – Working pressure: less than 1.20Mpa. – Storage temperature: -25°C to 80°C. – Storage humidity: 25%-95% RH. Notes 1. Non-violent shock, and chemical erosion. 2. Non-throwing or hitting. 3. Mounted vertically, should not exceed 5 degrees inclination. 4. Temperature of Medium should not exceed 120°C.
Color: mainly black. Material: durable hard plastic and stainless steel.External threads: 3/4″. Flow range: 1-60L/min. Working pressure: less than 1.20Mpa.Inlaid with stainless steel impeller shaft, durable and wearable.Seal Ring with the upper and lower force structure, avoid leakage.Imported Hall element, adopts pouring sealant encapsulation to avoid to leak and age.















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