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Pentair Upper Half Tank Shell | 27001-0020S

Pentair SKU: 270010020S

Pentair Upper Half Tank Shell | 27001-0020S

Pentair SKU: 270010020S
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Pentair 27001-0020S Upper Half Tank Shell

Part Number: 27001-0020S

Description

Replacement upper half shell for the Pentair/Sta-Rite System 2 modular media cartridge filters and modular DE filters. This tank half includes mounting for the air-relief valve and factory decals, providing correct fit for many PLM and PLD filter installations manufactured from 2009 onward.

Compatibility & Fitment

  • Fits PLM series filters PLM100, PLM125, PLM150, PLM175, PLM200 (System 2 Modular Media) and compatible PLD/PLDE modular DE filters.
  • Intended for filter systems where the original upper shell is cracked, damaged, leaking, or when undertaking a rebuild of the tank body.
  • Note: Does not include lower tank half or internal cartridge modules—those may need to be replaced separately.

Features & Specifications

  • Material: corrosion-resistant thermoplastic shell engineered for pool chemical environments.
  • Includes molded mounting for air-relief valve and factory decals for safe identification.
  • Dimensions: approximately 20.75″ length × 14.75″ height × 21.5″ width (as listed by the manufacturer).

Installation Notes

Shut off pump and relieve system pressure before servicing. Remove the old upper tank half by undoing lock-ring or bolt connections. Inspect the lower half for damage and clean debris from the sealing surfaces. Install the new 27001-0020S upper shell, align the air relief port, apply appropriate sealant or O-ring per manufacturer instructions, torque the lock-ring evenly, and restore circulation. After installation monitor for leaks and ensure stable pressure.

Maintenance Tip

During seasonal filter service or when cleanings become less effective, inspect the tank shell for stress cracks, discoloration, or bolt fatigue. Replacing the upper half early can prevent complete tank failure, reduce downtime and maintain safe filtration performance.

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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