Dual Union 3" CVA Check Valve for Ponds and Water Features

Prevent backflow in your pond or water feature with the reliable and durable Dual Union 3" CVA Check Valve. Designed to provide a professional connection while ensuring easy maintenance, this heavy-duty check valve is a must-have addition to your pump and filter system.

Features and Benefits

  • Prevents backflow: Effectively stops water from flowing back into the pump or filter system during a power outage or when the pump is shut off.
  • Professional pump and plumbing connection: Provides a secure and reliable connection for filters and pump vaults, ensuring smooth operation.
  • Dual-union design: Makes pump and filter maintenance quick and easy without the need for tools due to union connections on both sides of the valve.
  • Heavy-duty check valve flapper: Built to withstand regular use, this durable flapper ensures maximum water flow through the valve when open.
  • Durable construction: The valve is made from high-quality materials, offering dependable performance for a long-lasting solution to backflow prevention.

How to Use

  1. Turn off the pump and shut off the water supply before beginning the installation.
  2. Connect the check valve to the pump outlet, ensuring the arrow points in the direction of water flow.
  3. Attach the other end of the check valve to the filter or water feature inlet.
  4. Secure all connections with the provided union fittings, ensuring a tight and leak-free fit.
  5. Turn the water supply back on and restart the pump. Check for any leaks and proper water flow direction.

Aqua Gardening Suggests These are Best For

The Dual Union 3" CVA Check Valve is best for pond owners and water feature enthusiasts seeking an effective and durable solution for preventing backflow issues in their pump and filter systems. It is compatible with a range of pumps and filtration equipment, making it perfect for various pond sizes and water feature setups.


How does the Dual Union CVA Check Valve work?

The Dual Union CVA Check Valve works by allowing water to flow in one direction and preventing backflow. When the pump is on, the heavy-duty check valve flapper opens to allow water flow, and when the pump is off or during a power outage, the flapper closes to prevent water from flowing back into the pump.

Can the Dual Union CVA Check Valve be used with different types of pumps?

Yes, the Dual Union CVA Check Valve is designed to be compatible with a range of pumps, providing a professional and secure connection for both pumps and plumbing systems used in ponds and water features.

Why is it important to prevent backflow in ponds and water features?

Preventing backflow is essential for maintaining proper water circulation and preventing potential damage to your pump. Backflow can cause pressure buildup in the plumbing, potentially damaging the pump and causing water quality issues in your pond or water feature.

Is the Dual Union CVA Check Valve easy to install?

Yes, the Dual Union CVA Check Valve is designed for easy installation with union connections on both sides, which enable quick and tool-free maintenance. This helps save time during pump and filter maintenance and ensures a secure connection.

What materials are used in the construction of the Dual Union CVA Check Valve?

The Dual Union CVA Check Valve is made from durable materials, including a heavy-duty check valve flapper, designed to last and withstand the demands of pond and water feature applications.

Can I use the Dual Union CVA Check Valve for both small and large ponds or water features?

The 3" size of the Dual Union CVA Check Valve is suitable for a wide range of pond and water feature applications. It provides efficient water flow and backflow prevention, making it an excellent choice for various sizes of pumps and plumbing systems.

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(SKU: 130157)

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2 Years Replacement Warranty - Store warranty, this product needs to be returned to Aqua Gardening for testing and replacement.


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