The Charles Austen Enviro ET150 Pro Air Pump is a high-output, oil-free air pump designed for reliable aeration in ponds, wastewater treatment systems and other applications requiring a substantial supply of air.

Delivering a rated airflow of 150 litres per minute at 0.20 bar, the ET150 Pro provides consistent airflow for suitably designed diffuser and distribution systems. Its robust, compact and weatherproof construction makes it suitable for a range of indoor and outdoor installations.

Whether you are oxygenating a large pond, supplying air to a wastewater treatment system or maintaining circulation in an aquaculture installation, the ET150 offers a practical solution for demanding aeration requirements.

High-output airflow for effective aeration

With a rated output of 150 L/min at 0.20 bar, the ET150 is designed for systems that need more airflow than smaller pond and aquarium air pumps can provide.

It can supply air to appropriately sized diffusers and distribution manifolds, helping to circulate water and support oxygen transfer throughout an aeration system.

Actual airflow at the diffuser will depend on operating pressure, water depth, pipework, diffuser resistance and the overall installation design.

Oil-free air pump technology

The ET150 uses an oil-free diaphragm pumping design to provide an air supply without an oil-lubricated compression chamber.

This makes it suitable for pond aeration, wastewater treatment and other applications where an oil-free air supply is preferred.

Robust, weatherproof construction

The Charles Austen Enviro range is designed with robust, compact construction and a weatherproof enclosure for appropriate indoor and outdoor installations.

Its energy-efficient motor technology is designed to provide substantial airflow while keeping power consumption in consideration for continuous aeration applications.

Suitable applications

The ET150 Pro can be used in a variety of aeration installations, including:

• Large garden and koi ponds.

• Pond filtration and biological filter aeration.

• Wastewater treatment systems.

• Domestic sewage treatment plants.

• Septic tank aeration systems.

• Aquaculture and fish-holding facilities.

• Hydroponic systems requiring high-volume airflow.

Easy to maintain

The ET150 is designed to be serviceable, with compatible replacement service kits available.

Charles Austen recommends servicing Enviro pumps at least every 18 months. For the Pro Series motor warranty, the manufacturer specifies annual servicing to validate the two-year motor warranty. Check the warranty conditions and service requirements before installation.

Technical specifications

Power consumption: Confirm the exact ET150 Pro production version before publishing a wattage figure, as published ET150 specifications vary.

Installation guidance

The ET150 has an 18mm outlet connection. Ensure that the airline, manifolds, connectors and diffusers are correctly sized for the required airflow.

For installations with multiple diffusers, use a suitably sized air distribution manifold and ensure that the combined system resistance does not exceed the pump's operating capabilities.

Regular servicing and the use of compatible replacement parts will help maintain reliable operation.

Choose the Charles Austen Enviro ET150 Pro when you need a robust, oil-free air pump delivering 150 litres per minute for pond aeration, wastewater treatment or other high-output aeration applications.