Pentair Injection Check Valve | 522513Z

Pentair SKU: PEN522513Z

Pentair Injection Check Valve | 522513Z

Pentair SKU: PEN522513Z
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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

Hours Of Operation: 

Monday - Friday: 8:00 am to 4:00 pm Phoenix Time

Saturday and Sunday: Closed

  • Orders costing more than  $300 WILL be required to have signature confirmation upon delivery.
  • Handling time is typically only 1 day.   
  • Any item ordered after 1pm Phoenix time, may not ship same-day.
  • Call us if you require expedited shipping and we can give you quotes based on your needs.

Return Policy:

  • All products, except as noted below, are eligible for return up to 30 days after receipt of item.
  • For returns, an RMA form must be filled out HERE or customers can call for additional help.
  • Shipping costs will be deducted from all returned items.
  • Any item that is missing accessories, original packaging, or is not returned in the same condition that it was received in, may be subject to a re-stocking fee up to 100% based on the condition we receive it in. 
  • Items broken, damaged, or inoperable due to installer error will not be refunded.
  • Fill out the return form or give us a call to obtain an RMA and return shipping label.
  • There are no returns on the Pentair Colorsync 618031
  • No returns on pool cleaners.
  • No returns on opened seals and o-rings.
  • No returns on capacitors.
  • If a light is returned because it "doesn't work" and it tests fine, the cost to ship and a re-stocking fee will be deducted from the refund.
  • All products denied upon arrival at customers house WILL be charged the cost to ship.
  • Visa Gift Card Promotions: Gift cards are sent within 14 days of the order. When accepting the Visa Gift card, you agree that if your order is returned or refunded, this amount will be deducted from the refunded amount. All Visa Gift cards are sent via email in an E-Gift Card format and are non refundable.