FAQ Search Results

Do I need an airpump for NexusPlus?
Yes, it powers the moving bed biological filter and is also vital to the cleaning process. You need an Evolution Aqua Air Pump 75 for a Nexus 220 and an Air Pump 95 for a Nexus 320. If you increase the amount of media in the outer chamber you may well...
Where do I place the airpump?
If the pump is situated below the water level, it must have a non-return valve fitted to stop water siphoning back into the pump if there is a power cut.
The air output has dropped on my airpump, why?
The diaphragm may need replacing, we recommended these are replaced annually. View diaphragm kits
Can the airpumps be used outside?
The airpumps are weather proof and can be used outside, they are not waterproof so do not situate in a position where they are likely to be flooded
I have replaced the diaphragm kit but my Airpump still does not work?
All the parts in the air pump can be replaced, if you have replaced the diaphragm kit and you pump still does not work it may be the electro-magnet. View electro-magnets
My airpump is running but no air is coming out?
The airpump is mounted to the base on rubber grommets, it is possible one of these has come out. Please refer to the manual and check the exploded diagram on page eleven, you will need a screwdriver and a pair of pliers to repair.
How do I change the activating arm on my airpump?
To change the activating arm on your airpump, follow the steps below or watch our YouTube video here: Step 1: Loosen the four screws around the cover and remove. Step 2: Loosen the four screws around the coil cover and remove. Step 3: Loosen the...
What are the dimensions of Airpumps?
To identify the size of Airpumps, please click from one of the below options: Airpump 70 Dimensions Airpump 75 Dimensions Airpump 95 Dimensions Airpump 130 Dimensions Airpump 150 Dimensions
What are the Airpump Curves?
To identify the Airpump curves, please click from one of the below options: Airpump 70 Curves Airpump 75 Curves Airpump 95 Curves Airpump 130 Curves Airpump 150 Curves
How do I change the electromagnet on an Airpump?
To change the electromagnet on your airpump, follow the steps below or watch our YouTube video here:
My Airpump has a plug, can I cut the plug off?
You may find that your Airpump has a two pin plug - cutting the plug will not void your guarantee.The plug can be cut off and wired into a safe, compliant, outdoor electrical system, with an RCD cut-off. If you are unsure, consult a qualified electrician...
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