Magic Plastics 0801-20H-RK Replacement Kit – 2″ Corrosion-Resistant Check Valve Rebuild
Part # 0801-20H-RK — a complete internal rebuild kit for the Magic Plastics 2″ CR2 corrosion-resistant check valve. This kit restores proper one-way flow, prevents backflow, and helps maintain efficient circulation in pool and spa plumbing systems.
Key Features
- Includes flap/gate, shaft, O-ring, lid gasket and spring needed to rebuild the internal assembly.
- Designed specifically for the Magic Plastics 2″ CR2 check valve body.
- Chemical-resistant materials ensure dependable performance in pool and spa environments.
- Restores proper sealing and movement to eliminate sticking, leaking or reverse flow.
- Cost-effective alternative to replacing the entire valve.
Typical Applications
Ideal when a check valve begins to leak, stick, rattle, or allow water to drain backward through the line. Commonly used in systems serving heaters, chlorinators, suction-side cleaners, and dedicated return lines requiring reliable backflow prevention.
Installation & Compatibility Notes
Turn off pump and relieve system pressure before opening the valve. Remove the lid and old components, clean the valve body thoroughly, then install the new flap, spring, shaft, O-ring and gasket. Reassemble the lid, ensuring a proper seal. Restore circulation and confirm correct one-way operation without leaks.
Why Choose This Rebuild Kit?
This kit provides all necessary components to restore near-original valve performance, extending the service life of the CR2 valve while maintaining safe and efficient water flow.
Maintenance Tips
- Inspect check valves at least annually for wear or buildup that may restrict movement.
- Replace internal components at the first sign of leaking or reverse flow.
- Keep O-rings lightly lubricated with a pool-safe silicone lubricant.
- Rinse internal parts during routine maintenance to prevent scale and debris accumulation.