Check valve for water

Check Valve for Water – Tunze 5074.010

The **Tunze 5074.010 check valve** is a spare part designed to prevent any unwanted backflow of water in your pumping or dosing systems. Compact and reliable, it ensures one-way flow, thus avoiding any risk of siphoning or accidental backflow towards pumps or sensitive equipment.

Main Features

• Effectively prevents backflow in aquarium systems.
• Avoids siphoning and protects Osmolator® pumps and Tunze dosing systems.
• Simple in-line installation on the outlet hose.
• Compatible with freshwater and saltwater systems.
• Durable design and resistant to saline corrosion.

Technical Specifications

Recommended Use

The valve is placed between the pump outlet and the discharge pipe. It prevents water contained in the hose from returning to the pump in case of system shutdown or power failure. It is particularly useful for installations equipped with a **Tunze Osmolator®**, an **automatic dosing system**, or any circuit sensitive to back pressure.

Maintenance Tips

• Rinse regularly with freshwater to avoid salt or lime deposits.
• Check the mobility of the internal membrane to ensure sealing.
• Do not install upside down (flow direction arrow engraved on the valve body).