Hayward ProSeries 16-Inch Sand Filter | W3S166T
Use the filter-sand grade and quantity specified in Hayward’s manual. Do not substitute an unapproved media or assume a different model’s sand charge applies. Match the circulation-system flow and expected debris load to the filter’s ratings, then check service space and connection sizes. A pool’s gallon capacity alone does not determine the complete selection. Establish the clean operating pressure after setup and follow Hayward’s pressure-rise and maintenance instructions. Cleaning frequency changes with debris load, bathing use and water conditions. Hayward lists 1-year parts coverage for W3S166T. Labor coverage is not listed. Eligibility and exclusions are subject to the applicable Hayward warranty terms. Use the manufacturer downloads on this page for setup, operation and maintenance. Additional exact-model resources are available on Hayward’s product support page. This listing is for Hayward W3S166T. Match the complete model number before ordering; a similar model name does not establish identical fit, features or warranty.Product FAQs
What sand should I use?
How should I size this filter?
When does it need cleaning?
What warranty applies to this W3 model?
Where can I find manuals and product support?
Which exact model is this?
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Hayward ProSeries 16-Inch Sand Filter | W3S166T
Description
Description
Choose the right filtration capacity
The Hayward ProSeries W3S166T uses a bed of filter sand to collect dirt from circulating pool water. It suits pool owners who prefer a sand-media system with backwashing as part of regular filter care.
Why choose this model?
Sand-media filtration
Water passes through the media bed, which traps dirt until the filter needs cleaning.
Backwash-based care
Use the correct valve settings and the manufacturer’s procedure when backwashing; the pump must be off before changing valve position.
Configuration matters
Check the valve arrangement, plumbing connections and required media before planning a replacement.
Before you order
This configuration includes the 1 1/2" VariFlo valve. Have your pool professional check design flow, plumbing connections, working pressure and clearance for servicing. Filter ratings describe the filter; they do not guarantee the flow delivered by your pump.
See Specifications for technical details and Product FAQs for buying and ownership answers. Use Resources & PDF Downloads for the linked manufacturer documents.
Specifications
Specifications
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SKU
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UPC or GTIN
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Product Type
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Size/Connection
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Materials
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Dimensions16.5 in, 16.5 in, 33 in
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Weight
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Warranty
Product Warranty
Product Warranty
We want you to have quick and easy access to warranty information for all the brands we carry. Please click on the links below to view each manufacturer’s warranty page:
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- Hayward Warranty
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Note: Warranty coverage, registration, and service terms are provided directly by the manufacturer. Please review the details carefully to ensure proper understanding of coverage and claim procedures.
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