Pentair Seal Flower Kit | K12866

The Pentair Seal Flower Kit (K12866) is a replacement seal set designed to help prevent leaks and maintain proper water balance in compatible Pentair pool equipment. This kit contains specially shaped “flower” seals that provide a secure gasket between mating components, protecting internal parts from water intrusion and helping ensure efficient operation.

Compatible Pentair Equipment

Pentair pool pumps requiring flower-style seal replacement
Pentair pressure-side cleaner assemblies that use flower-style seals
Other Pentair equipment with compatible flower seal grooves

Key Features

Includes flower-style sealing components for reliable sealing performance
Helps prevent water leaks and maintain proper internal water pressure
Durable materials designed for continuous water exposure
OEM replacement for proper fit and function in Pentair equipment

Specifications

Brand: Pentair
Part Number: K12866
Component: Flower-style seal kit
Application: Pentair pool pumps, pressure-side cleaners, and other compatible equipment

Application & Use

This seal kit is used where tight sealing between components is required to prevent leakage and maintain proper internal pressure, such as around housings, shafts, or fluid passages. Replacing aged or worn seals helps extend equipment life and maintain hydraulic efficiency.

Related Products

Maintenance Tips

Inspect seals periodically as part of routine service, especially when leakage or reduced pressure is observed. Replacing worn flower seals helps preserve efficient operation and protects other internal components from water damage.

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.