Pentair Legend 4-Wheel O-Ring 2-Pack for Wall Fitting | E21
The Pentair Legend 4-Wheel O-Ring 2-Pack for Wall Fitting (E21) includes two replacement O-rings designed for use with the wall fitting quick-disconnect connections on Pentair pressure-side pool cleaner systems. These O-rings create a watertight seal between the cleaner hose and wall fitting, helping prevent leaks, maintain proper water pressure, and ensure reliable cleaner operation.
Compatible Pool Cleaners & Systems
- Pentair Kreepy Krauly Legend Pressure-Side Pool Cleaner
- Pentair Kreepy Krauly Legend II Pressure-Side Pool Cleaner
- Pentair Legend Platinum Pressure-Side Pool Cleaner
Key Features
- Pack of 2 replacement O-rings for wall fitting quick-disconnect
- Helps form a secure, leak-resistant connection
- Durable material designed for underwater use
- OEM replacement for worn, cracked, or compressed O-rings
- Essential for maintaining proper water pressure and suction
Specifications
- Brand: Pentair
- Part Number: E21
- Package Quantity: 2 O-rings
- Component: Wall fitting quick-disconnect seal
- Application: Pressure-side automatic pool cleaner wall fittings
Application & Use
These O-rings are installed in the groove of the wall fitting quick-disconnect where the cleaner feed hose connects. A proper seal prevents water leakage and helps maintain the correct pressure needed for optimal cleaner propulsion and steering. Regularly inspect these O-rings during cleaner servicing and replace them if they appear cracked, flattened, or brittle to avoid performance issues.
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Maintenance Tips
Check the condition of wall fitting O-rings whenever you service the cleaner or notice water leakage around the wall connection. Replacing worn or damaged O-rings helps maintain a secure seal and supports consistent cleaner performance.