Pentair Tapered Valve Seal, 071720
This 071720 Tapered Valve Seal (also called the rotor seal) is a replacement gasket intended for Pentair / Purex SM and SMBW DE filters. It fits the backwash rotor valve, forming a conical seal to prevent leaks during the filter’s backwash cycle.
Key Features & Benefits
Designed for Pentair SM & SMBW 2000 and 4000 series DE filters
Tapered profile ensures tight sealing under pressure
Made from durable, chemical-resistant elastomer
Drop-in replacement — no trimming or modification needed
Commonly available in red color
Used On
- Pentair Purex SM | SMBW 4000 Series DE Filters
