High-Flow Pool Check Valve | 1.5” x 2” & 2” x 2.5” Sizes
From $59.00
Your High Flow Pool Check Valve Comes With So Much More!
1 Year of Lumi Protection
30 Days of Technical Support
30 Day return Policy
Free delivery to your door
High-Flow UPVC Pool Check Valve – Prevents Backflow & Ensures Optimal Water Circulation
A high-performance pool check valve is essential for smooth and efficient water flow. This high-flow check valve, made from premium UPVC (Unplasticized Polyvinyl Chloride), prevents backflow, protects pool equipment, and improves circulation.
Unlike standard PVC, UPVC is stronger, more durable, and highly resistant to chemicals. It withstands exposure to chlorine, saltwater, and UV rays, making it ideal for both freshwater and saltwater pool systems.
The clear lid design allows for easy inspection, so you can monitor water flow without disassembling the unit.
This check valve is available in two sizes to fit standard pool plumbing:
- 1.5” x 2” – Best for residential pools and spas.
- 2” x 2.5” – Designed for larger systems needing increased water flow.
Whether upgrading your plumbing or installing a new system, this check valve ensures long-lasting reliability.
Why Choose UPVC for Your Pool Check Valve?
✔️ Stronger & More Durable – UPVC lasts longer than standard PVC. It resists impact and withstands heavy use.
✔️ Corrosion & Chemical Resistance – UPVC does not degrade from chlorine, salt, or pool chemicals.
✔️ Longer Lifespan – This check valve endures extreme temperatures, UV exposure, and harsh conditions.
✔️ Eco-Friendly & Safe – UPVC contains no plasticizers, making it a stable, non-toxic choice.
A UPVC high-flow check valve provides a longer-lasting, more reliable solution for your pool system.
Key Features & Benefits
✔️ Prevents Backflow & Protects Equipment – Stops water from reversing, preventing damage to pumps, filters, and heaters.
✔️ Premium UPVC Construction – Stronger than PVC, it resists cracks, wear, and corrosion.
✔️ Clear Lid for Easy Inspection – Allows you to monitor water flow without disassembly.
✔️ High-Flow Design – Reduces turbulence, improves circulation, and increases efficiency.
✔️ Universal Compatibility – Works with chlorinated and saltwater pools, spas, fountains, and water features.
✔️ Effortless Installation – Quick-connect fittings make installation fast and easy.
✔️ Standard PVC Plumbing Fit – Available in 1.5” x 2” and 2” x 2.5” sizes for pool pump and filtration systems.
💡 Ideal for pool owners, spa professionals, and contractors looking for a high-performance check valve.
Easy Installation in 7 Steps
- Turn off the pool pump and drain excess water from the pipes.
- Choose the correct placement—typically before the filter or heater.
- Cut the PVC pipe to fit the check valve.
- Apply PVC primer and glue to both the pipe ends and valve fittings.
- Connect the check valve securely, ensuring that the water flow follows the direction of the arrow.
- Allow the glue to dry for the recommended time.
- Restart the pump and check for leaks.
Following these steps ensures a secure, leak-free installation.
Why This High-Flow UPVC Check Valve Stands Out
✔️ UPVC lasts longer and resists harsh chemicals and extreme temperatures.
✔️ Clear lid makes maintenance simple—you can inspect flow without removing the valve.
✔️ High-flow design increases pump efficiency, reducing stress on your system.
✔️ Compatible with standard pool systems, making it easy to integrate into any setup.
This check valve offers durability, performance, and efficiency in one package.
Package Includes
📦 1x High-Flow UPVC Pool Check Valve (selected size)
📖 Installation guide
🔧 Upgrade your pool system today with a high-performance UPVC check valve for better water flow and reduced maintenance!
Final Thoughts
Whether you’re a pool owner, contractor, or spa professional, this UPVC check valve is an essential upgrade.
✔ Prevents backflow & enhances circulation
✔ UPVC material for superior durability
✔ Quick installation with secure fittings
Optimize your pool plumbing with the best high-flow UPVC check valve today!
| Port Size | 1.5" x 2", 2" x 2.5" |
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Frequently Asked Questions
Check Valve FAQS
What is the purpose of a check valve in a pool system?
The Illuminex Check Valve ensures one-way water flow, preventing backflow that could damage equipment or disrupt circulation.
What is the purpose of a check valve in a pool system?
The Illuminex Check Valve ensures one-way water flow, preventing backflow that could damage equipment or disrupt circulation.
Which models are available?
Two sizes:
LU-CV2 (1.5″–2″)
LU-CV15 (2″–2.5″)
What materials are used?
The valve body is UPVC with a PPO+FRPP flapper, Viton or silicone seals, and a clear PC+ABS cover for easy visual inspection.
How should the valve be installed?
Install according to the flow arrow on the body. It can be mounted horizontally or vertically (flow upwards only). Never install upside down.
Where should it be positioned in the plumbing system?
For best sealing, place the valve at the lowest possible elevation with at least 16 inches of water column above it.
What is the maximum operating pressure?
Up to 250 PSI (16 Bar).
Can solvent cement be used?
Yes, but ensure cement does not seep into the valve body, as it can cause sealing failure.
How can I visually check if the valve is working?
The clear cover allows you to see valve movement and confirm proper function.
Is the valve compatible with automated pool systems?
Yes. It is designed to integrate with standard and automated pool systems.
How often should the check valve be inspected?
Regularly inspect through the clear cover. If needed, remove the cover to check the O-ring and seals.
Do the O-rings need lubrication?
Yes, apply silicone-based lubricant during reassembly after maintenance.
How do I clean the valve?
Disassemble and rinse the flapper and internal body to remove debris that may cause improper sealing.
Why is the valve leaking?
Likely due to worn or damaged seals. Replace the seal to restore performance.
The flapper feels stiff—what should I do?
Clean the mechanism and lubricate moving parts. Debris buildup is the usual cause.
Water flow seems restricted.
Ensure the valve is installed in the proper orientation and aligned with the flow arrow.
Can this valve contribute to suction entrapment hazards?
Yes, if installed improperly. Always ensure compliant suction outlets (at least two per pump, 3 ft apart) to reduce entrapment risks.
What is the warranty coverage?
The Check Valve comes with a 1-year warranty against defects in materials and workmanship.
What is not covered?
Damage from improper installation, misuse, freeze damage, environmental factors, or unauthorized repairs.
How do I make a warranty claim?
Contact Illuminex customer service with proof of purchase. The unit may need to be returned for inspection before replacement.