1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your TOONIOOS W2-PUMP Cat Water Fountain Pump. Please read this manual thoroughly before use to ensure proper function and longevity of the product. This pump is designed as a replacement part specifically for the TOONIOOS wireless cat water fountain (W2).

Image 1.1: The TOONIOOS W2-PUMP Cat Water Fountain Pump, a replacement component for compatible cat water fountains.
2. Safety Information
- Ensure the power adapter used is a 5V USB adapter (not included) and meets safety standards.
- Do not wash the pump or any electronic components with hot water.
- Do not clean the pump or electronic components in a disinfection cabinet.
- Do not rinse or immerse the master control module (if applicable to your fountain model) with water.
- Keep the pump and fountain out of reach of children and pets when performing maintenance.
- Always unplug the fountain from the power source before cleaning or performing any maintenance.
3. Package Contents
Please verify that all items are present in the package:
- 1 x TOONIOOS W2-PUMP Cat Water Fountain Pump
Note: The 5V USB power adapter is not included and must be purchased separately.
4. Setup & Installation
This pump is compatible with the TOONIOOS wireless cat water fountain (W2). Please confirm your fountain model before installation.
- Ensure the cat water fountain is unplugged and empty of water.
- If replacing an old pump, carefully detach the connecting pipe from the old water pump.
- Remove the old pump from the water tray.
- Place the new TOONIOOS W2-PUMP into the designated slot within the water tray.
- Connect the fountain's connecting pipe securely to the new water pump.
- Ensure all components are properly seated and the pump is stable.
- Fill the fountain with water to the recommended level.
- Plug the USB cable into a 5V USB adapter (not included) and then into a power outlet.

Image 4.1: Visual guide for disassembling the fountain, which can be used in reverse for pump installation. Steps include separating the battery, removing the water tray, removing black parts, and detaching the connecting pipe.
5. Operating Instructions
Once installed and filled with water, the pump will begin operation when powered. The TOONIOOS W2-PUMP is designed for ultra-quiet operation, with a noise level of ≤25dB, ensuring a peaceful environment.
Indicator Lights (if applicable to your fountain model):
Refer to your fountain's main control module for specific indicator light meanings. Common indicators may include:
- Red Light: Indicates low battery or a potential issue.
- Blue Light: Indicates charging is complete.
- Flashing Light: Indicates the device is currently charging.

Image 5.1: Explanation of indicator lights on the fountain's control module, showing states for low battery, charging complete, and active charging.
6. Maintenance
Regular cleaning is crucial for extending the lifespan of your pump and ensuring clean water for your pet. It is recommended to clean the water pump every 1 to 2 weeks, and the entire water fountain every two weeks.
Cleaning Steps:
- Unplug the fountain from the power source.
- Disassemble the fountain components, including the pump.
- Remove the pump cover.
- Carefully remove the impeller cap and the impeller itself.
- Clean all components (pump cover, impeller cap, impeller, and pump housing interior) with warm water and a cleaning brush. Ensure no debris or hair remains.
- Rinse thoroughly.
- Reassemble the pump and fountain components.
- Refill the fountain with fresh water and plug it back in.

Image 6.1: Step-by-step guide for cleaning the water pump components to ensure optimal performance and hygiene.
Important Cleaning Notes:

Image 6.2: Visual reminder of critical cleaning precautions, emphasizing not to use hot water or immerse electronic parts.
7. Troubleshooting
If you encounter issues with your TOONIOOS W2-PUMP, please refer to the following common problems and solutions:
- Pump not operating:
- Ensure the pump is correctly installed and fully submerged in water.
- Check that the USB cable is securely connected to both the pump and a functional 5V USB adapter.
- Verify the power outlet is working.
- Disassemble and clean the pump (refer to Section 6) to remove any blockages or debris that might be preventing the impeller from spinning.
- Reduced water flow:
- Clean the pump and filter thoroughly (refer to Section 6). Accumulated hair or debris can restrict water flow.
- Ensure the water level in the fountain is adequate.
- Increased noise:
- Clean the pump, especially the impeller, to remove any foreign objects or mineral buildup that could cause vibration.
- Ensure the pump is properly seated and not vibrating against the fountain's housing.
- Check the water level; low water can sometimes cause increased pump noise.
- Pump does not fit:
- This pump is specifically designed for the TOONIOOS wireless cat water fountain (W2). Please verify your fountain's model number to ensure compatibility. This pump may not fit other brands or models.
8. Specifications
| Feature | Specification |
|---|---|
| Model | W2-PUMP |
| Brand | TOONIOOS |
| Input Voltage | DC 5V |
| Power Consumption | 0.8W |
| Noise Level | ≤25dB |
| Waterproof Rating | IP68 |
| Item Weight | 4.6 ounces |
| Package Dimensions | 4.41 x 2.91 x 1.93 inches |
| Usage Environment | Indoor |
9. Warranty Information
The TOONIOOS W2-PUMP Cat Water Fountain Pump comes with a 2-year warranty from the date of purchase. This warranty covers manufacturing defects under normal use. Please retain your proof of purchase for warranty claims. The warranty does not cover damage caused by misuse, improper installation, lack of maintenance, or unauthorized modifications.
10. Customer Support
For further assistance, technical support, or warranty inquiries, please contact TOONIOOS customer service through the retailer where you purchased the product or visit the official TOONIOOS website for contact information.