Pentair Block Kit for Great White Cleaner, 2-Pack | GW9512

The Pentair Block Kit for Great White Cleaner, 2-Pack (GW9512) includes two replacement support blocks designed for the Pentair Great White suction-side automatic pool cleaner. These block components help maintain proper positioning and spacing of internal drivetrain or wheel assemblies, contributing to smoother movement and prolonged cleaner life.

Compatible Pool Cleaner

Pentair Great White Suction-Side Pool Cleaner

Key Features

Includes two replacement support blocks
Helps maintain correct spacing and alignment of moving parts
Durable construction for continuous underwater use
Direct OEM replacement for worn or damaged blocks
Supports smoother wheel and drivetrain motion

Specifications

Brand: Pentair
Part Number: GW9512
Package Quantity: 2 blocks
Component: Support block kit
Application: Great White suction-side automatic pool cleaner

Application & Use

This block kit replaces worn or damaged structural support pieces within the internal drivetrain or wheel areas of the Great White cleaner. Properly installed blocks help preserve correct component spacing and alignment, reducing binding and promoting consistent cleaner movement and performance.

Related Products

Maintenance Tips

Inspect support blocks during routine cleaner servicing, especially if you notice erratic movement, rubbing noise, or drivetrain misalignment. Replacing worn blocks helps maintain proper internal component relationships and supports reliable suction-side 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.