The Magic Plastics 0823_20C is a transparent 2_ union-style swing_spring check valve designed for easy installation and trusted one-way flow performance in pool, spa, and irrigation systems. One end features a quick-release union connection for tool-free installation and maintenance access, while the other end offers a solvent_weld slip fitting for secure PVC connection. Built with clear, corrosion-resistant materials, the valve enables straightforward visual inspection of the internal spring mechanism, ensuring proper operation at a glance. The swing_spring design prevents backflow and water hammer, ensuring reliable, quiet performance in demanding aquatic environments.

• 2_ Union x Slip Connection: Combines a quick-release union fitting for easy service access with a solvent-weld slip end for secure PVC plumbing installation.

• Swing-Spring Mechanism: Ensures smooth, one-way water flow while preventing backflow and water hammer for quiet, reliable system operation.

• Clear, Inspectable Housing: Transparent body allows visual monitoring of internal spring and valve seat, simplifying diagnostics and confirming functionality at a glance.

• Durable, Corrosion-Resistant Materials: Built to withstand exposure to pool chemicals, UV rays, and harsh environmental conditions for long-lasting performance.

• Ideal for Pools, Spas, and Irrigation: Trusted by professionals and DIYers for dependable backflow prevention and easy maintenance in residential and commercial applications.

• (1) Check Valve

Need help installing or troubleshooting the Magic Plastics 0823_20C 2_ union swing-spring check valve? This section explains how to use the union x slip design for fast installation, avoid backflow issues, and visually inspect internal partsÑall with parts available in-store for pool, spa, and irrigation maintenance.

Installing the 0823_20C in Pump or Return Plumbing

This check valve features a solvent-weld slip fitting on one end and a threaded union on the other, making it ideal for easy connection to PVC pipe and quick disassembly during servicing.

How do I install the 0823_20C using PVC cement and the union nut?

Can I pick up this 2_ union check valve in-store at Discount Pool Mart?

Does the clear valve body help with alignment during installation?

Is this valve designed for suction-side or return-side installations?

What tools do I need to install this union check valve securely?

Preventing Water Hammer and Backflow

The swing-spring mechanism inside this valve automatically closes to prevent reverse flow and water hammer, protecting pumps and pipe fittings from stress when the system powers down.

Will the 0823_20C stop reverse siphoning from raised equipment?

Can I walk in and buy a check valve that helps prevent water hammer?

How does the spring-loaded flap compare to gravity-only models?

Is this valve suitable for quiet operation in spa plumbing systems?

Will installing this valve protect my booster pump from back pressure?

Easy Maintenance and Long-Term Durability

Built from chemical- and UV-resistant materials, this valve is ideal for harsh outdoor use. Its clear housing allows pool owners and service techs to visually check for debris, wear, or spring movement without cutting pipes.

Can I visually confirm the valve is working through the clear body?

Does Discount Pool Mart carry replacement O-rings for this union valve?

How do I clean the valve without disconnecting the glued end?

Will this valve last through several swim seasons in direct sun?

How often should this valve be inspected for debris or clogging?