Ideal Solution for Preventing Backflow in Ponds and Water Features

Experience top-notch pump and plumbing connections with the Aquascape Dual Union Check Valve 2.0, designed to efficiently deter backflow in ponds and water features. Its heavy-duty, swing-style check valve flapper ensures long-lasting, maximum water flow while preventing backflow during pump shutdown or power outages. Simplify installation and maintenance with its innovative reversible fittings, making it easy to find the right fit for your pump or filter.

Features and Benefits

  • Effective backflow prevention: Safeguard your pond and water features from harmful backflow when the pump is off or during power outages.
  • Professional pump and plumbing connection: Ensure seamless system operation with high-quality connections and components.
  • Innovative reversible fittings: Easily find the perfect fit for your pump or filter by rotating the fittings to the desired orientation.
  • Dual union, tool-free design: Simplify maintenance tasks without any additional tools, thanks to the efficient and user-friendly design.
  • Height extendable: Compatible with various filter sizes, making it effortless to adjust the valve height when necessary.

How to Use

  1. Turn off the pump and any water supply to the valve before installation or maintenance.
  2. Position the Dual Union Check Valve 2.0 between the pump and filter in your pond or water feature setup.
  3. Rotate the reversible fittings to achieve the required orientation for perfect connection with your pump or filter.
  4. Hand-tighten the union connections on both sides of the valve, ensuring it is securely connected to your system.
  5. Turn on the water supply and pump, and check for any leaks or issues around the valve connections.

Aqua Gardening Suggests These are Best For

Homeowners, landscaping professionals, and pond enthusiasts seeking an efficient, reliable, and user-friendly solution to prevent backflow in their ponds, fountains, and water features. The Aquascape Dual Union Check Valve 2.0 is perfect for all applications, from backyard ponds to commercial water features.

Notes from Aqua Gardening

  • Always turn off the water supply and pump before performing any installation, maintenance, or adjustments to the Dual Union Check Valve 2.0.
  • Ensure proper installation by hand-tightening connections and checking for leaks before running the system.
  • Consult a pond professional or reach out to customer support if unsure about fitting sizes, pump compatibility, or installation procedures.


What is the main purpose of the Dual Union Check Valve 2.0?

The main purpose of the Dual Union Check Valve 2.0 is to effectively prevent backflow in ponds and water features while providing a professional pump and plumbing connection inside pond skimmers and Pondless® Waterfall Vaults.

How does the check valve flapper function in the Dual Union Check Valve 2.0?

The heavy-duty, swing-style check valve flapper is designed to maximise water flow through the valve when open and prevent the backflow of water when the pump is turned off or during a power outage.

What are the benefits of the reversible fittings in the Dual Union Check Valve 2.0?

The innovative reversible fittings eliminate guesswork in finding the right pump or filter fitting for your application. Simply rotate the fitting to the desired orientation to ensure a proper fit.

How does the dual-union design simplify maintenance for the Dual Union Check Valve 2.0?

The dual-union design allows for quick and easy pump and filter maintenance without the use of any tools. Union connections on both sides of the valve enable seamless disconnection and reconnection during maintenance or cleaning.

Can the height of the Dual Union Check Valve 2.0 be adjusted for taller filters?

Yes, the Dual Union Check Valve 2.0 is compatible with a wide variety of filter sizes, making it easy to extend the valve height for installation with taller filters if required.

Still Unsure if This Product is Right for You?

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(SKU: 130156)

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