1. Introduction and Overview
The oneisall PW17 Wireless Filterless Cat Water Fountain is designed to provide fresh, clean water for your pets without the need for traditional filters. This innovative pet water dispenser features a unique wastewater separation design, ensuring that your pet always has access to hygienic drinking water.
Key features include:
- Filterless Design: Eliminates the need for expensive and frequently replaced filters, reducing ongoing costs and maintenance.
- Separate Clean and Dirty Water Tanks: Equipped with a 3.5L clean water tank and a 2L sewage tank, the system automatically removes used water and refills with fresh water on a set schedule.
- Cordless Operation: Powered by a 2000mAh USB-C rechargeable battery, offering up to 4 months of operation on a single charge, providing flexibility in placement.
- Smart LED Display: Allows for personalized water plans, including setting up to 6 daily dispensing times and adjusting water volumes (100ml, 120ml, 150ml). Features a child lock for safety.
- Durable and Safe Materials: The water bowl is made from 304 stainless steel, and the water tank from food-grade ABS, ensuring your pet's safety and water purity.
- Ultra-Quiet Operation: Operates at a low 30dB, ensuring a peaceful environment for both pets and owners.

Image: The oneisall Wireless Filterless Cat Water Fountain in use, with a cat drinking from the stainless steel bowl.
Image: A veterinarian examining a cat, illustrating the benefit of fresh water for pet health.
2. Setup Instructions
Before first use, please ensure all components are present and clean. The fountain is designed for easy assembly.
2.1 Unpacking and Component Check
Carefully remove all items from the packaging. Verify that you have the following components:
- 1 x 3.5L Wireless Pet Water Fountain (main unit with clean and sewage tanks)
- 1 x Stainless Steel Water Bowl
- 1 x 5V/1A Adapter
- 1 x Type-C Charging Cord
- 1 x User Manual (this document)
Image: All components included in the product packaging, laid out for inspection.
2.2 Assembly
- Place the main unit on a stable, flat surface.
- Insert the stainless steel water bowl into its designated slot on the main unit. Ensure it is securely seated.
- Connect the nozzle to the dispensing outlet.
- Fill the clean water tank (3.5L capacity) with fresh water. Do not overfill.
- Ensure the sewage tank (2L capacity) is empty and properly positioned.
2.3 Initial Charging
Before first use, fully charge the fountain's internal 2000mAh battery. Connect the Type-C charging cord to the fountain and the 5V/1A adapter to a power outlet. The battery indicator on the LED display will show charging status and turn solid when fully charged (approximately 1 hour).
3. Operating Instructions
The oneisall PW17 features an intuitive LED display for easy programming of water dispensing schedules.
3.1 Powering On/Off
- To power on, press and hold the power button until the display illuminates.
- To power off, press and hold the power button until the display turns off.
3.2 Setting Time and Water Plan
Use the LED display and control buttons to set your desired watering schedule:
- Time Setting: Follow the instructions on the display to set the current time.
- Feed Plan Setting: You can program up to 6 daily dispensing times. For each time slot, you can select the desired water volume (100ml, 120ml, or 150ml).
- Child Lock: Activate the child lock feature to prevent accidental changes to the settings.
Image: The smart LED display showing options for setting water flow schedule and volume.
3.3 Water Dispensing Cycle
At each scheduled dispensing time, the fountain will perform the following actions:
- The stainless steel bowl will tilt to drain any remaining water into the sewage tank.
- Fresh water will be pumped from the clean water tank into the stainless steel bowl according to the set volume.
Video: Demonstration of the oneisall cat water fountain's automatic water dispensing cycle, showing the bowl tilting to drain and then refilling with fresh water.
Image: The cordless design allows for flexible placement in various locations such as a cozy corner, living room, or kitchen island.
4. Maintenance
Regular cleaning is essential to ensure the longevity and hygiene of your oneisall cat water fountain. The filterless design simplifies maintenance.
4.1 Cleaning Frequency
It is recommended to clean the sewage tank and the stainless steel water bowl once every 1-2 weeks. The clean water tank should also be rinsed and refilled regularly.
4.2 Cleaning Procedure
- Power off the fountain and disconnect the charging cable.
- Carefully remove the stainless steel water bowl and empty any remaining water.
- Remove the sewage tank and dispose of the dirty water.
- Wash the stainless steel bowl and the sewage tank with mild soap and water. Rinse thoroughly.
- Wipe down the main unit with a damp cloth. Avoid submerging the main unit in water.
- Reassemble all parts once dry.
Note: Do not put the main unit or any electronic components in the dishwasher to avoid structural damage.
Image: The simple cleaning process for the oneisall fountain, highlighting the absence of a complex pump to clean.
5. Troubleshooting
If you encounter any issues with your oneisall cat water fountain, please refer to the following common solutions:
- Fountain not dispensing water: Check if the clean water tank has sufficient water. Ensure the battery is charged. Verify that the feed plan is correctly set on the LED display.
- Water leakage: Ensure all components, especially the water bowl and tanks, are correctly assembled and seated. Check for any cracks or damage to the tanks.
- Unusual noise: While the fountain is designed to be quiet (30dB), excessive noise might indicate an issue. Ensure the fountain is on a flat surface and no foreign objects are obstructing the water flow mechanism.
- LED display not working: Ensure the battery is charged. If the issue persists, try resetting the device by holding the reset button (if available) or powering it off and on again.
For further assistance, please contact customer support.
6. Specifications
| Feature | Detail |
|---|---|
| Model Name | PW17 Filterless Cat Water Fountain |
| Clean Water Tank Capacity | 3.5 Liters (118 oz) |
| Sewage Tank Capacity | 2 Liters |
| Battery | 2000mAh USB-C Rechargeable (included) |
| Battery Life | Up to 4 months on a full charge |
| Material | 304 Stainless Steel (bowl), Acrylonitrile Butadiene Styrene (ABS) (tank) |
| Noise Level | 30dB (Ultra Quiet) |
| Item Weight | 3.9 Pounds |
| Product Dimensions | 9"L x 8.9"W x 6"H |
7. Warranty and Support
The oneisall PW17 Wireless Filterless Cat Water Fountain comes with a 2-year manufacturer's warranty.
For any questions, technical support, or warranty claims, please contact oneisall customer service. We offer 24/7 support to assist you.
Image: Customer support information highlighting the 2-year warranty and 24/7 support.





