Airline Non Return Check Valve

Airline Non Return Check Valve

The Airline Non Return Check Valve is a small aquarium air accessory that stops water from flowing back down the airline into your air pump. It suits freshwater and marine aquarists running 4-6 mm airline pipe who want to protect their pump and keep aeration steady.

Key Benefits

• Prevents the backflow of water into your pump, helping to safeguard the pump and support its longevity.
• Supports consistent, proper air flow through your aeration system.
• Helps maintain the efficiency of your aquarium setup.
• Fits securely onto 6 mm (0.24") pipe, so the connection stays put.
• Suitable for both freshwater and marine aquariums.

Suitable For

• Freshwater aquariums that use an air pump for aeration.
• Marine aquariums that use an air pump for aeration.
• Aquarists who want an inexpensive safeguard between the pump and the water in the tank.

Compatibility

• Designed for 4-6 mm (0.16-0.24") airline pipe.
• Fits securely onto 6 mm (0.24") pipe.

Specifications

• Pipe size: 4-6 mm (0.16-0.24")
• Function: non-return (one-way) check valve for airline
• Water type: freshwater and marine

Frequently Asked Questions

What does an airline non-return check valve do?
It prevents water from flowing back into your air pump, which helps protect the pump and keeps air flow consistent.

What pipe size does it fit?
It is made for 4-6 mm (0.16-0.24") airline pipe and fits securely onto 6 mm (0.24") pipe.

Can I use it in a marine aquarium?
Yes. It is suitable for both freshwater and marine aquariums.

Why would I need one on my air pump setup?
Water can travel back along the airline towards the pump, which can harm the pump over time. A check valve helps protect it and keeps the aeration system working efficiently.

Which variant should I choose?
Match the valve to the airline pipe you are using. It is designed for 4-6 mm (0.16-0.24") pipe, and the 6 mm (0.24") size gives a secure fit.

When can I expect delivery?

• Gauteng (Jhb/Pta) - 1-3 working days
• Nationwide (Cpt/Dbn+) - 2-5 working days
• Outlying Areas - 3-7 working days

All orders are sent via Economy Road, typically through Fastway or Internet Express Couriers*. Estimated timeframes are not guaranteed. Once the order is collected by the courier, we have no control over third-party logistics and cannot make any time promises.

If you prefer a faster 🚀 shipping option, we also offer The Courier Guy during checkout in the dropdown selection. Please note that this option is not free, and you must choose it to use it. Please pay careful attention to the cutoff times and delivery timeframe for these options during checkout.

Enjoy the convenience of collection points and lockers! 📦

No more waiting at home or at work for your delivery. Simply choose a collection locker or pickup point and collect your order when it suits you.

Delivery times to lockers and pickup locations typically range from 2–7 working days, depending on your location.*

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Collection timeframes:

• Bob Box: Collect within 2 days of receiving your collection notification.
• PUDO Lockers: Collect within 36 hours of receiving your collection PIN or SMS notification.

If a PUDO parcel is not collected within 36 hours, it will automatically be transferred to the nearest PUDO Kiosk or Depot at no additional cost. The parcel will then be held there for approximately 2 days before being returned.

Please ensure you collect your parcel within the applicable collection period. Uncollected parcels will be returned to the sender, and additional shipping charges may apply should the order need to be resent.