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Pentair Diverter Valve Shaft O-Ring | 192039Z

Pentair SKU: 192039Z

Pentair Diverter Valve Shaft O-Ring | 192039Z

Pentair SKU: 192039Z
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Pentair 192039Z Shaft O-Ring

Part Number: 192039Z

Description

This genuine Pentair replacement O-ring is designed for the shaft seal area of compatible FullFlo and FullFloXF diverter and backwash valves. It helps restore a leak-resistant seal and ensures the correct hydraulic performance of the valve under backwash or flow reversal conditions.

Compatibility & Fitment

  • Fits Pentair FullFlo and FullFloXF diverter valves (1½″, 2″, 2½″ sizes) and FullFloXF backwash valves.
  • Replaces the original O-ring for the shaft (also referenced as item #2-116 in Pentair parts sheets).
  • Specifically used when the valve stem leaks, exhibits flow bypass, or when servicing the valve housing and shaft. 

Features & Specifications

  • Material: Buna-N (Nitrile) rubber with approximately 70 shore hardness. 
  • OEM part, ensuring correct groove fit, compression and compatibility with Pentair valve housings.
  • Small part size; common service part for pool equipment hardware.

Installation Notes

Before installation, shut off pump and relieve system pressure. Remove the valve cover and extract the shaft assembly. Remove the old O-ring and any debris or buildup from the groove. Lightly lubricate the groove and the O-ring with pool-safe silicone lubricant. Install the new 192039Z O-ring ensuring it is seated properly and without twists. Reassemble the shaft, cover and components, restore flow and observe for proper sealing and normal valve operation.

Maintenance Tip

Inspect this O-ring whenever servicing the valve or if you notice leakage, erratic switching or loss of backwash flow. Replacing worn or hardened O-rings can restore performance and prevent downstream equipment damage due to bypass or incorrect flow paths.

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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