1. Product Overview
The ZTYXUX ZY-997 is a high-performance oxygen pump designed for aquariums. It features a 4.8W motor and delivers 28Kpa of pressure, ensuring efficient aeration for your fish tank. The pump incorporates a double-layer soundproof design for quiet operation and is compatible with various air discs and stones.

Image 1: The ZTYXUX ZY-997 Aquarium Oxygen Pump, a compact black unit with two air outlets and a control knob on top.
2. Safety Instructions
Please read and understand all safety instructions before operating this device. Failure to follow these instructions may result in electric shock, fire, or serious injury.
- Ensure the power supply voltage matches the pump's requirements (indicated on the product label).
- Do not immerse the pump in water. This product is not submersible.
- Always place the pump above the aquarium water level to prevent water backflow into the pump. If the pump must be placed below the water level, install a check valve (water stop valve) on the air tubing to prevent water from siphoning back.
- Unplug the pump from the power outlet before performing any maintenance, cleaning, or when handling aquarium water.
- Keep the power cord away from sharp objects, hot surfaces, and moving parts.
- Do not operate the pump if it has a damaged cord or plug, or if it is malfunctioning or has been dropped or damaged in any manner.
- This appliance is not intended for use by persons (including children) with reduced physical, sensory, or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety.
3. Package Contents
Verify that all components are present in your package. Contents may vary slightly depending on the specific set purchased (e.g., Set 1 or Set 2).
- ZY-997 Oxygen Pump
- Air Tubing (approx. 4 meters)
- Air Connections (e.g., 3-way connectors)
- Water Stop Valves (check valves)
- Air Discs or Nano Gas Stone Disks (quantity may vary)

Image 2: Components included in Set 1, showing the ZY-997 pump, air tubing, connectors, water stop valves, and four air discs, arranged next to an aquarium setup.
4. Setup Instructions
- Position the Pump: Place the ZY-997 oxygen pump on a stable, flat surface. Ensure it is positioned above the water level of your aquarium. If this is not possible, proceed to step 3.
- Connect Air Tubing: Attach one end of the air tubing to the air outlets on the pump. If using multiple air stones, use the provided air connections to split the air flow.
- Install Check Valve (if necessary): If the pump is placed below the aquarium water level, cut a section of the air tubing and insert a water stop valve (check valve) into the line. Ensure the check valve is oriented correctly to allow air flow towards the aquarium and prevent water backflow towards the pump.
- Attach Air Stones/Discs: Connect the other end of the air tubing to your air stones or air discs. Place the air stones/discs at the desired location within the aquarium.
- Secure Connections: Verify that all tubing connections are secure and free from kinks or leaks.
- Power Connection: Plug the pump's power cord into a suitable electrical outlet.

Image 3: An example aquarium setup showing the ZY-997 pump placed next to a fish tank, with air tubing connected to air diffusers inside the tank.
5. Operating Instructions
Once the pump is set up and plugged in, it will begin to operate, providing aeration to your aquarium.
- Power On/Off: The pump operates continuously when plugged into a power source. To turn it off, simply unplug the power cord.
- Adjusting Air Volume: The ZY-997 features a rotary knob on the top for gas volume regulation. Rotate the knob clockwise to increase air flow and counter-clockwise to decrease it.
- Indicator Light: The knob may illuminate when turned, indicating that the pump is active and operating.

Image 4: A close-up view of the ZY-997 pump's top, highlighting the rotary knob with an illuminated ring, indicating its function for air volume adjustment.
6. Maintenance
Regular maintenance ensures optimal performance and longevity of your oxygen pump.
- Cleaning Air Stones/Discs: Periodically remove and clean your air stones or air discs. Clogged diffusers can reduce air flow and put strain on the pump. Use a brush to remove algae or mineral buildup.
- Check Air Tubing: Inspect the air tubing regularly for kinks, cracks, or blockages. Replace any damaged tubing.
- Pump Exterior: Wipe the exterior of the pump with a dry or slightly damp cloth. Do not use harsh chemicals or abrasive cleaners. Ensure no water enters the pump's vents.
- Unplug Before Maintenance: Always unplug the pump from the power outlet before performing any cleaning or maintenance tasks.
7. Troubleshooting
If you encounter issues with your ZTYXUX ZY-997 oxygen pump, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Pump not producing air |
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| Excessive noise or vibration |
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| Water backflow into pump |
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8. Specifications
| Model Number | ZY-997 |
| Brand | ZTYXUX |
| Power | 4.8W |
| Pressure | 28Kpa |
| Gas Volume Regulation | Rotary Knob |
| Test Water Depth | > 90 CM |
| Working Hours | AC Continuous Work |
| Approximate Weight | 980 Grams |
| Structure | Gear Pump |
| Fuel Type | Electric |
| Certification | CE |

Image 5: A visual display of the ZY-997 pump's specifications, including power, gas volume regulation, test water depth, and working hours, alongside illustrations of air disk effects in an aquarium.
9. Warranty and Support
For warranty information and customer support, please refer to the documentation provided with your purchase or contact ZTYXUX customer service directly. Keep your purchase receipt as proof of purchase.





