Products Description
Our Water Flow Switch is designed for water flow monitoring in solar water heating and circulation systems. Available in 3/4", 1" and 1 1/2" sizes, it provides flexible options for different piping and system requirements.
Product Specifications
| Item | Specification |
|---|---|
| Product Name | Brass Water Flow Switch |
| Available Sizes | 3/4", 1", 1 1/2" |
| Body | Brass |
| Water Connection | Threaded connection |
| Electrical Connection | Multiple connection options available |
| Connection Options | Plug connector / Integrated connector / Direct wire lead |
| Application | Solar water heating and water circulation systems |

Electrical Connection Options
Our Brass Water Flow Switch is available with different electrical connection configurations to meet various wiring and installation requirements.
- Plug Connector Type – designed for convenient connection and replacement.
- Integrated Connector Type – compact connection configuration for system integration.
- Direct Wire Lead Type – supplied with wire leads for direct electrical connection.
Different connection options can be selected according to the application and system requirements. Please specify the required water connection size and electrical connection type when requesting a quotation.
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Key Features
- Multiple electrical connection options available
- Plug connector and direct wire lead configurations
- Available in 3/4", 1" and 1 1/2" sizes
- Brass body with threaded water connection
- Flexible configuration for different installation requirements
Product Details
A water flow switch is used to monitor the presence or condition of water flow within a piping system. It can be integrated into compatible control systems where a flow-related switching signal is required.
For solar water heating and circulation applications, selecting the appropriate flow switch depends on the piping configuration and system requirements.
Our Water Flow Switch is available in 3/4 inch, 1 inch and 1 1/2 inch sizes, allowing buyers to select an option according to their project and installation requirements.
For bulk purchasing or project applications, please provide your required size, quantity, application and operating requirements when requesting a quotation.

| Inlet‑Outlet Size | Power | L1(mm) | L2(mm) | L3(mm) | L4(mm) | D1(mm) | D2(mm) |
|---|---|---|---|---|---|---|---|
| G1"-3/4" | 90W | 37 | 78 | 40 | 52 | 31 | 26 |
| G 3/4"-3/4" | 90W | 37 | 75 | 32 | 52 | 24.5 | 26 |
| G 3/4"-1/2" | 90W | 37 | 69 | 32 | 52 | 24.5 | 20.5 |
| G 1/2"-1/2" | 90W | 37 | 69 | 27.5 | 52 | 19 | 20.5 |
FAQ
1. What sizes are available for the Brass Water Flow Switch?
The Brass Water Flow Switch is available in 3/4", 1" and 1 1/2" sizes. Buyers can select the appropriate size according to their piping and installation requirements.
2. What electrical connection options are available?
Different electrical connection configurations are available, including plug connector and direct wire lead options. Please specify your preferred connection type when sending an inquiry.
3. How do I choose the correct Water Flow Switch?
Selection depends on the water connection size, electrical connection type and system application. Please provide these details when requesting a quotation so that the appropriate option can be confirmed.
4. Can this Water Flow Switch be used in solar water heating systems?
Yes. The Water Flow Switch is suitable for compatible solar water heating and water circulation applications where water flow monitoring is required.
5. Does the Water Flow Switch have a threaded connection?
Yes. The product features a brass body with a threaded water connection. The exact thread specification should be confirmed according to the selected model.
6. Can I choose different connectors for different projects?
Different electrical connection configurations are available for different installation requirements. Please provide your required size, connection type and application for confirmation.
7. What information should I provide when requesting a quote?
Please provide the required size (3/4", 1" or 1 1/2"), electrical connection type, quantity, application, operating requirements and destination market. This information helps us confirm the appropriate configuration for your project.
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