Dennerle CO2 Non-Return Valve Special – Product Photo

Dennerle CO2 Non-Return Valve Special

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Dennerle CO2 Non-Return Valve Special

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CHF 18.00
The Dennerle CO2 Non-Return Valve Special prevents water from flowing back into the CO2 line, protecting the regulator and bottle.
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Dennerle CO2 Non-Return Valve Special – reliable protection for your aquarium

The Dennerle CO2 Non-Return Valve Special is a check valve specially designed for CO2 supply systems in aquariums. It reliably prevents water from entering the regulator and the CO2 bottle.

  • Protects regulator and CO2 bottle from water damage due to backflow
  • Automatic opening under CO2 pressure and closing on pressure drop
  • Easy installation by inserting into the CO2 tubing
  • Compact design for space-saving integration

What sets the CO2 Non-Return Valve Special apart

The valve opens under CO2 pressure and closes automatically when pressure drops. This ensures safe operation of your CO2 system without water being able to flow back into the lines. The direction of flow is clearly marked on the housing.

Ideal for aquarists with CO2 fertilization

Whether beginner or experienced aquarist, the non-return valve is the ideal addition to any aquarium with CO2 supply. It provides extra safety and protects your expensive CO2 equipment from damage.

How to use the Dennerle CO2 Non-Return Valve Special

  1. Cut the CO2 tubing at the desired location.
  2. Insert the non-return valve with the arrow pointing towards the aquarium.
  3. Secure the connection with a hose clamp if necessary.
Dennerle is a renowned German manufacturer of aquarium products with over 60 years of experience in CO2 fertilization and plant care. The brand stands for quality and innovation, especially for demanding aquarists. All products are developed and tested in Germany.
Product typeCO2 Non-return valve
Weight40 g
EAN4001615030532

Frequently Asked Questions

A CO2 non-return valve prevents water from flowing back from the aquarium into the CO2 line, thus protecting the regulator and the CO2 bottle from damage.

The valve was developed for Dennerle CO2 systems but is also compatible with many standard CO2 setups.

It is simply installed between the CO2 regulator and the CO2 tubing. The arrow on the housing indicates the direction of flow.

The product weighs only about 40 grams and has a compact design.

Dennerle provides a manufacturer's warranty of 24 months.