Pentair 271148Z Multiport Valve Diverter Gasket | HiFlow 2"
Pentair 271148Z Multiport Valve Diverter Gasket | HiFlow 2"
Keep your filter running smooth and sealed tight with Pentair 271148Z Multiport Valve Diverter Gasket, with the perfect OEM fit. Specifically, the Multiport Valve Diverter Gasket restores proper water flow and eliminates internal bypassing caused by worn or stretched seals. Also, it installs quickly, delivers long-lasting performance, and keeps your Pentair multiport valve operating like new.
What does the Pentair 271148Z Multiport Valve Diverter Gasket do in a multiport valve?
Pentair 271148Z helps create a watertight seal between ports inside the multiport valve, ensuring water flows through smoothly. Furthermore, when this Diverter Gasket fails then pressure drops, water bypasses the filter media, and debris returns to the pool. The Pentair 271148Z eliminates those issues with a precise OEM fit that maintains strong internal sealing and peak system performance.

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Key Features
- OEM Pentair replacement ensures a perfect seal and dependable performance
- Restores proper filter mode operation in Pentair multiport valves
- Durable construction resists swelling, stretching, and chemical damage
- Reduces water bypass and improves overall filtration efficiency
- Quick, clean installation with no special tools required
Technical Specifications
- Component Type: Diverter gasket (spider gasket).
- Compatibility: Fits select Pentair multiport valves used on sand and DE filters.
- Material: Chemical-resistant elastomer.
- Dimensions: 8 × 12 × 0.37 in
Specs
- Part Number: 271148Z
- Manufacturer: Pentair
About ShastaPoolSupply.com
Shasta Pool Supply provides authentic OEM Pentair parts at discount pricing, backed by decades of pool service expertise. Additionally, our team ensures you receive the right product for your system and offers fast shipping across the U.S. Moreover, as Arizona’s most trusted pool brand, we stand behind every order with industry-leading support.
Interested in more Replacement Cartridges & DE Grids? Click cartridges.
How quality Diverter Valve Gaskets make a difference for pool pros?
Valve diverter gaskets are small but critical parts of your Multiport Valve. Furthermore, professionals prefer to use OEM replacement parts because they are trusted and fit perfectly. As a result, choosing OEM vendor made parts leads to hassle free replacement, ensuring the correct part.
Pro Tip: When valve diverter gaskets wear out, you may see cloudy water, low pressure, or mixed modes inside the valve. Always apply a thin layer of silicone-based lube to the new gasket, never petroleum products, to prevent swelling and ensure smooth rotation of the handle.
Why Pool Professionals Trust the Pentair Brand for valve diverter gaskets?
Pentair leads the pool industry with highly engineered filtration and circulation components built for long service life. Furthermore, their valves, pumps, and replacement parts offer consistent reliability and precise tolerances that protect your pool system from performance loss and unnecessary wear.
How does the Pentair 271148Z compare to generic diverter gaskets?
OEM Pentair gaskets maintain exact thickness and port alignment, which generic versions often fail to match. Furthermore, even slight dimensional differences can cause leaks, grinding, or misalignment inside the valve. Also, choosing the Pentair 271148Z ensures smoother handle operation, longer valve life, and the best sealing performance.
Pro Tip: If your valve still leaks after replacing the diverter gasket, inspect the diverter itself for warping or cracks especially on older sand filter systems exposed to high heat.
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Chuck and Bryan are both very helpful and kind / professional. Definitely recommend to others!
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Easy to order and arrived on time.
Easy to order and arrived on time.
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Called the Phoenix office and gentleman who assisted me was very helpful and confirmed they had what I was looking for.
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FAQ
Our expert staff answers customer's most asked questions.
Is this an OEM part?
Yes this part is original, from the manufacturer, and contains a manufacturer part number.
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For detailed information regarding shipping charges for returns, please review our shipping policy.
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We offer local pick-up at both our Phoenix and Mesa locations, along with Free Shipping on orders $150 or more. To learn more about our shipping options, click here.
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