Pentair 071433 C-Series Pump Cover / Strainer Lid O-Ring (C-18) | P24150
The Pentair 071433 is an OEM replacement cover O-ring / strainer lid O-ring for select Pentair / Purex C-Series High Performance commercial pool and spa pumps, commonly listed for the C-18 pump. It seals the hair-and-lint strainer cover to help prevent air leaks and water leakage at the pump strainer pot.
Key Details
- Part number: 071433
- Common alternate number: P24150
- Part type: Pump cover / strainer lid O-ring
- Application: Pentair / Purex C-Series High Performance pump (commonly C-18)
- Common listing dimensions: approximately 12″ x 12″ x 1/4″ (catalog/listing dependent)
Common Compatibility (Verify Before Ordering)
- Pentair / Purex C-Series High Performance commercial pool and spa pumps
- Commonly listed for C-18 pump applications
Always confirm your exact pump model and parts diagram before ordering, especially on older commercial Purex/Pentair C-Series pumps.
What This Part Does
- Creates a seal between the strainer lid (cover) and pump strainer body
- Helps prevent suction-side air leaks that can cause priming issues and bubbles at returns
- Helps prevent water seepage around the pump lid during operation
Common Signs You Need a New O-Ring
- Air bubbles returning to the pool from suction-side air leaks
- Water dripping or seeping around the strainer lid
- O-ring is flattened, cracked, swollen, brittle, or cut
- Pump has difficulty priming after lid service/cleaning
Installation Notes
- Turn off power to the pump before servicing.
- Remove the lid and clean the lid groove and mating surface thoroughly.
- Install the O-ring evenly in the groove without twisting.
- Apply a light coat of pool-safe silicone lubricant (do not use petroleum-based lubricants).
- Reinstall lid and tighten evenly to avoid pinching the O-ring.
Related Products (Aqua Pool Supply)
- Pentair 071433 O-Ring (Search)
- Pentair / Purex C-Series Pump Lids (Search)
- Pentair / Purex C-Series Strainer Baskets (Search)
- Pool-Safe Silicone O-Ring Lubricant (Search)
- Pentair / Purex C-Series Pump Parts (Search)
Maintenance Tips
- Inspect the lid O-ring every time you clean the pump basket.
- Keep the sealing surfaces clean and free of sand/grit to prevent cuts.
- Replace flattened or brittle O-rings promptly to avoid suction air leaks.
- If priming problems continue after O-ring replacement, inspect the pump lid, drain plugs, and suction unions for leaks.
