Product overview
A focused residential laundry appliance
The system routes incoming cold water through the wall-mounted unit before it reaches the washing machine. The internal air-dryer cartridge, ozone-generation module, injector and mixer support the treatment path shown in the manufacturer-supplied diagram.
- No remote control is included.
- This model uses a replaceable desiccant cartridge; it does not have automatic dehumidification.
- Detergent needs and laundry results vary by washer, fabric, soil, water quality and wash program.
- The outlet water is not intended for drinking or ingestion.

Manufacturer source diagram
Functional groups inside the treatment path
The diagram below retains the manufacturer-supplied component layout and line work. Only the original Chinese labels have been replaced with English; the numbered legend adds practical context outside the image.

- 1 · Air dryer
Replaceable desiccant cartridge for the incoming air path. - 2 · Ozone generator
Produces ozone while the system is operating. - 3 · Control module
Coordinates water-flow activation and the operating sequence. - 4 · Venturi injectors
Draw gas into the water path. - 5 · Static mixer
Promotes gas-and-water mixing before the outlet. - Additional module
The supplied diagram also shows a magnetic module without a numbered performance claim.
Latest supplied sales-sheet data
Current published product specifications
| Model | KH-W502 |
|---|---|
| Electrical input | AC 100-240V, 50/60Hz |
| Electrical output | DC 12V, 2.5A, 30W |
| Ozone concentration | 0.4-0.5 mg/L |
| Water pressure | 15-75 PSI |
| Listed operating temperature | 0-78°C |
| Dimensions | 432 x 254 x 94 mm |
| Net weight | 1.8 kg |
Before ordering
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Washer details
Send the brand, exact model, country, inlet photos and available wall space.
Utilities and fittings
Confirm household water pressure, cold-water hose fittings and the local electrical outlet.
Production batch
Confirm the product label, included fittings and region-specific power adapter before installation.
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