Overview
The Spears 2229-015C is a True Union Regular Style ball check valve engineered for dependable one-way flow control in residential and commercial piping systems. This CPVC True Union ball check valve features threaded and socket ends and is designed to prevent backflow while maintaining minimal pressure drop. All 1/2 to 2 inch valves are pressure rated at 235 psi for water at 73 degrees Fahrenheit, making the 2229-015C suitable for demanding applications.
Key Features
- CPVC is significantly more ductile than PVC, allowing greater flexure and crush resistance, and is less apt to corrode than PVC
- EPDM O-rings with Buttress threads and fully replaceable valve components
- NSF International certified for use in potable water service
- Compact True Union design for easy removal and servicing without cutting pipe
- Socket and FNPT (female NPT) threaded end configuration for flexible installation
Technical Specifications
- Body Material: CPVC Type IV per ASTM D1784
- Sealing Material: EPDM elastomer
- Size: 1-1/2″
- Pressure Rating: 235 PSI @ 73°F
- End Types: Socket and FNPT (Threaded)
- Flow Control: One-way ball check, prevents backflow
- NSF Certification: NSF/ANSI 61 (potable water)
- Temperature Rating: Up to 180°F for hot water distribution
Typical Applications
The Spears 2229-015C is commonly used in:
- Hot water supply lines and recirculation systems
- Pump discharge lines requiring backflow prevention
- Industrial chilled and hot water circulation
- Booster pump installations
- Cross-connection control in commercial plumbing
- Water treatment and filtration systems
Compatibility & Replacements
Compatible With
- CPVC and PVC piping systems (Schedule 40 and Schedule 80)
- Hot water distribution systems up to 180°F
- Potable water and industrial fluid transfer applications
- Standard 1-1/2″ socket fusion and threaded end connections
Replaces / Drop-In Replacement For
- Older Spears CPVC ball check valves in the 1-1/2″ true union line
- Generic thermoplastic ball check valves with equivalent socket dimensions
- Verify dimension compatibility before installation on existing systems
Works With
- Solvent-weld and socket fusion compatible with CPVC cement per ASTM F493
- Compatible with FNPT adapters and threaded fittings
- Works with compression fittings and hose connectors via appropriate adapters
- Integrates with standard 1-1/2″ valve unions and ball valves





