071019Z | Pentair Holding Wheel For SM & SMBW 2000 & 4000 DE Filters
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Find your parts diagram
Sticker on the pump body (the part with the basket), not on the motor. Motor labels from Century, A.O. Smith or Regal won't match parts.
Label on the side of the tank near the base. Size is in sq ft, e.g. 420 sq ft = C4030 or CCP420.
Rating plate inside the front access panel. Note the BTU and gas type (NG or LP).
Molded into the body or printed on top. Robotic cleaners: on the power supply.
Still not sure? Call (818) 818-6559 and we'll find it for you.
The Pentair Drain Plug with O-Ring for FullFloXF Filters 178816 is an OEM replacement crafted for Pentair’s FullFloXF 4000 Series, C Series, and F Series filters. This genuine component includes a rugged drain plug and sealing O-ring to maintain a secure, leak-free connection, supporting optimal filter efficiency. Its role is to simplify draining and cleaning cycles, keeping water flow properly regulated during maintenance. Designed for seamless integration with FullFloXF filter bodies, it provides durability to withstand tough pool conditions while ensuring consistent reliability. The included O-ring adds an essential layer of protection, minimizing leaks and extending filter life.
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Reliable Seal: This OEM Pentair drain plug with O-ring provides a consistently tight and dependable seal that prevents water loss, maintaining overall filter efficiency and protecting connected equipment.
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Simplified Service: Designed to make draining and cleaning more manageable, this plug allows service professionals and homeowners to control water flow with precision during maintenance cycles.
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Exact Compatibility: Built specifically for Pentair FullFloXF 4000, C, and F Series filters, the 178816 plug ensures direct replacement without modifications, delivering peace of mind with a true factory fit.
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Built for Demands: Constructed from durable, chemical-resistant materials, the plug and O-ring combination is engineered to withstand long-term exposure to chlorinated water and harsh pool environments.
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Leak Prevention: The robust O-ring enhances sealing performance, reducing the chance of drips or seepage that can compromise system operation, extending the service life of the filter body.
- (1) Pentair 071019Z Holding Wheel
- Pentair 071019Z Holding Wheel
Need help with the Pentair Drain Plug with O-Ring 178816 for FullFloXF Filters? This section covers install tips, leak troubleshooting, and in-store availability for FullFloXF 4000, C, and F Series filters.
Installing the Pentair 178816 Drain Plug
This section explains the correct way to install the drain plug and O-ring into FullFloXF filter models, ensuring a proper seal and function.
How do I install the Pentair 178816 drain plug correctly?
Can I buy the Pentair 178816 drain plug in-store today?
Does the O-ring need lubrication during installation?
What tools are needed to replace a drain plug at the store counter?
Dealing with Leaks and Seal Issues
If you’re noticing water seepage, this section helps identify whether the O-ring or drain plug is the cause and what to do before replacing parts.
Why is my FullFloXF 4000 leaking at the drain plug?
Can I find a new O-ring locally without replacing the whole plug?
Does overtightening the 178816 drain plug cause leaks?
How do I know if the O-ring at the drain plug is worn?
Finding the Right Part in Store
This section explains how to confirm you’re picking up the right drain plug in-store, with SKU verification tips.
How can I verify Pentair 178816 when buying in store?
Does Discount Pool Mart stock the Pentair FullFloXF drain plug?
Can staff help me match the 178816 plug with my C Series filter?
What other Pentair filter parts are available at the walk-in location?
Pentair FullfloXF 4000 Series 72 188625 Filter
Pentair Purex SMBW 4000 Series SMBW 2024 / 4024 Filter
Pentair Purex SMBW 4000 Series SMBW 2036 / 4036 Filter
Pentair Purex SMBW 4000 Series SMBW 2048 / 4048 Filter
Pentair Purex SMBW 4000 Series SMBW 2060 / 4060 FilterQuestions & Answers
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