Zhongshan Vangood Appliances Mfg Co., Ltd.
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The magnetic reed float switch (zero pressure) is a reliable sensor specially designed for water level detection in gas water heater tanks. Using magnetic coupling with a non-contact detection method, the float moves up and down with the water level, and the magnetic field activates the internal reed switch to open or close the circuit. This ensures high sensitivity, leak-free operation, and long service life. It is suitable for household and commercial gas water heaters, including instant and storage types, especially for low-pressure or zero-pressure side detection.
| Item | Description |
|---|---|
| Product Name | Magnetic Reed Float Switch (Zero Pressure Type) |
| Model Example | VGF-LS-ZP01 / VGF-LS-ZP02 |
| Working Principle | Reed switch contact (magnetic coupling, non-contact) |
| Application | Low-level / zero-pressure monitoring for gas water heater tanks |
| Rated Voltage | DC 12V / DC 24V / Customizable (compatible with low-voltage control board input) |
| Output Form | Dry contact (NO/NC) or active switch output |
| Contact Method | Non-contact magnetic coupling driving reed tube |
| Operating Temperature | -10 ℃ ~ 85 ℃ (high-temperature float up to 100 ℃) |
| Applicable Pressure | 0 ~ 0.2 MPa (zero or low pressure) |
| Float Material | PP, POM, or stainless steel (optional) |
| Housing Material | Polyester / nylon reinforced plastic / stainless steel (optional) |
| Cable Length | Standard 300 mm / Customizable 500 mm, 1000 mm |
| Protection Grade | IP65 (higher levels available upon request) |
| Service Life | ≥100,000 switching cycles (depending on environment) |
| Certification | CE / RoHS / Factory test report available upon request |
