Pentair O-Ring C-18 | 071433
Pentair
SKU: 71433
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.
Questions about returns? View our return policy.
Hours Of Operation:
Monday - Friday: 7:00 am to 5:00 pm Phoenix Time
Saturday: 8:00 am to 2:00 pm
Sunday: Closed
- We do not ship on Saturday or Sunday.
- Orders totaling more than $300 will require signature confirmation upon delivery.
- We process and prepare orders for shipment within 1 business day. Please note that many other pool supply retailers require 3–5 days of handling time before shipping.
- Orders placed after 1:00 pm Phoenix Time may not be eligible for same-day shipment.
- Expedited shipping options are available at checkout.
Return Policy:
- Products that are received damaged will receive a refund in store credit.
- Most products are eligible for return within 30 days of receipt, except where noted below.
- To initiate a return, please complete an RMA form prior to sending your item back.
- Original shipping costs are non-refundable and will be deducted from the return credit.
- Items returned missing accessories or original packaging, or that are not in the same condition as received, may be subject to a restocking fee of up to 100% depending on the condition of the item upon return.
- Some returns will be charged an automatic 15% restocking fee.
- We are unable to issue refunds for items that have been damaged or rendered inoperable due to installer error.
- Please complete the return form to receive your RMA number and return shipping label.
- Chemical products are not eligible for return under any circumstances.
- The Pentair Colorsync 618031 is not eligible for return.
- Pool cleaners are not eligible for return.
- Opened seals and o-rings are not eligible for return.
- Capacitors are not eligible for return.
- Plastic popup tools are not eligible for return.
- Automation components and circuit boards are not eligible for return.
- If a light is returned due to a reported malfunction and is found to be fully operational upon testing, return shipping costs and a restocking fee will be deducted from the refund.
- Orders refused at the time of delivery will be subject to the original shipping costs being deducted from the refund.
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