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Pentair Injection Check Valve | 522513Z

Pentair SKU: 522513Z

Pentair Injection Check Valve | 522513Z

Pentair SKU: 522513Z
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Pentair Injection Check Valve – Model 522513Z

The Pentair 522513Z is an OEM injection check valve designed for use with Pentair chemical feeder systems such as IntelliChem® and IntelliPH®. This valve prevents backflow of water into the chemical tank, ensuring safe and consistent chemical dosing.

Key Features:

  • Designed for Pentair chemical feeders (IntelliChem, IntelliPH) for optimal performance.
  • High chemical resistance construction to handle acid or chlorine solutions.
  • Compact, direct‑fit replacement part for maintenance or upgrade.

Technical Specifications:

  • Model / SKU: 522513Z
  • Connection configuration: ¼″ inlet (typical feeder tubing) x ½″ MNPT outlet (varies by installation)
  • Material: Chemical‑resistant polymer construction for durability in harsh pool chemistry environments.
  • Application: Use in automatic chemical feeders to prevent backflow and maintain system integrity.

Maintenance Tip: Whenever servicing the chemical feeder unit, inspect the check valve annually for debris, cracks, or signs of chemical corrosion. Flush the tubing, ensure there’s no water backing up into the chemical container, and replace the valve if you notice any leakage or inconsistent chemical feed. Always turn off the feeder motor and relieve pressure before replacement.

SKU: 522513Z

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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