Generic Sta-Rite Posi-Flo Upper Tank Body O-Ring (O-443)

An upper tank body O-ring helps create a seal at a compatible filter housing connection, and this generic version is designed for Sta-Rite Posi-Flo upper tank body applications using the O-443 reference. When a tank seal becomes flattened, brittle, or damaged, the housing can lose the sealing support it should maintain around the upper body connection.

The Posi-Flo fitment gives this O-ring practical value because filter tank seals work best when the replacement matches the intended housing family and sealing groove closely. A properly selected O-ring helps support cleaner closure and contributes to more dependable tank sealing performance during normal operation.

This type of part is especially useful during filter maintenance when the upper tank body is opened for inspection or cleaning and the original seal should be renewed before reassembly. That helps keep service more focused and more dependable.

Installed in the proper application, this O-ring helps support dependable upper tank body sealing and contributes to cleaner overall filter integrity.

• Upper tank body O-ring for compatible Sta-Rite Posi-Flo filter applications
• Helps support dependable sealing at the upper housing connection
• Useful during service and reassembly work
• Supports cleaner targeted maintenance
• Improves fit confidence and sealing reliability