Pentair 59053700 Center Core – Clean & Clear / Predator Cartridge Filter (100 sq ft)
Part # 59053700 — a replacement center core designed for Pentair Clean & Clear and Predator 100 sq ft cartridge filter systems. The center core supports the cartridge structure and ensures proper water flow through the filter element.
Compatible Filter Models
- Pentair Clean & Clear 100
- Pentair Predator 100
- Any Pentair/Sta-Rite system using a 100 sq ft cartridge requiring center core 59053700
Key Features
- OEM replacement center core for 100 sq ft Pentair cartridge filters.
- Rigid, chemical-resistant construction to support cartridge pleats.
- Optimizes water distribution for improved filtration efficiency.
- Direct-fit design ensures correct alignment within the filter tank.
- Extends cartridge life by preventing collapse or deformation.
Typical Applications
Use this center core when rebuilding a Pentair Clean & Clear or Predator 100 sq ft filter, replacing damaged internal components, or restoring proper water flow after cartridge or housing wear.
Installation Notes
Turn off the pump and relieve pressure. Open the filter housing, remove the existing cartridge and damaged core, and clean the interior. Insert the 59053700 core into place, ensuring it seats properly. Reinstall the cartridge, reassemble the housing, and restart the system while checking for proper flow.
Why Choose This Center Core?
This OEM-correct center core restores the structural integrity of the filtration system and ensures consistent, efficient water flow across all pleats of the cartridge. A worn or broken core can drastically reduce filtration performance.
Maintenance Tips
- Inspect the center core during every cartridge replacement for cracks or warping.
- Avoid over-tightening the filter lid, which may stress internal components.
- Replace immediately if the core shows signs of deformation.
- Keep the cartridge clean to reduce pressure strain on the core.
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.
