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Home Pool Pool & Spa Filters Hayward Pool & Spa Filters Hayward Pro Series Top Mount Sand Filter 18" Tank Includes Top Mount 1.5" Threaded Vari-Flo Valve | W3S180T
NOTICE: The pool & spa industry continues to face industry-wide shortages on many products that most vendors expect to last late into 2022. We're allowing items to be purchased so that customers who choose to wait will have their order shipped when product is available. Most vendors are not providing any ETA on when items will be available. WE WILL EMAIL YOU RIGHT AWAY IF YOUR ITEM IS BACKORDERED. 

Hayward Pro Series Top Mount Sand Filter 18" Tank Includes Top Mount 1.5" Threaded Vari-Flo Valve | W3S180T

Hayward Pro Series Top Mount Sand Filter 18" Tank Includes Top Mount 1.5" Threaded Vari-Flo Valve | W3S180T

Shipping Flat Rate Shipping $45.00
Parts AvailableParts Available
Platinum Preferred Manufacturer
  • Unitized, corrosion-proof filter tank molded of rugged, colorfast reinforced thermoplastic for dependable, all-weather performance
  • 7 position Hayward Vari-Flo control valve with easy-to-use lever-action handle lets you dial any of the valve/filter functions.
  • Precision-engineered umbrella-fold self cleaning laterals for balanced flow and backwashing, plus easy serviceability
  • Online part number W3S180T is the direct replacement for part number S180T.
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Pro Series sets a new standard for performance, value and dependability. 
Providing you with quality you can trust, the Pro Series high-rate sand filters incorporate the latest pool filter technology to ensure your pool is operating at its very best. Molded of durable, corrosion-proof reinforced thermoplastic, they feature attractive, unitized tank construction for years of trouble-free operation with only minimal care.

* Flange clamp design allows 360 degree rotation of valve to simplify plumbing
* Integral top diffuser ensures even distribution of water over the top of the sand media bed.
* Full-size internal piping provides smooth, free-flowing performance
* Integral sight glass lets you see when backwash cycle is completed
* Large pressure sand/water drain for rapid winterizing or servicing
Product Specifications
Brand Hayward
Item Sand Filter
Type High-Rate
Series Pro
Filtration Area 1.75 sq-ft
Flow Rate 35 gpm
Size 18 Inch
Maximum Working Pressure 50 psi
Mounting Type Top Mount
Turnover 16800 gal at 8 hrs, 21000 gal at 12 hrs
Media # 20 Silica Sand (0.45 - 0.55 mm)
Media Required 150 lbs
Filter Tank Molded Polymeric
Filter Control Valve 7-Position, Top-Mount Vari-Flo Valve with Lever-Action Handle
Fastening Flange Clamp Design
Mounting Base Injection-Molded Thermoplastic
Underdrain 360 deg Self-Cleaning Slotted Laterals, Precision Installed in Ball-Joint Assembly

Tank Diameter
Valve Position
ClearPro Technology
Q & A
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Browse 2 questions Browse 2 questions
How big a pool will this handle?
Sestrich on Apr 3, 2017
is this for inground pools?
A shopper on Jun 18, 2018
1.0 / 5.0
1 Review
5 Stars
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1 Star
Rated 1 out of 5
WARNING - As of right now this item is backordered. There was no indication when I placed the order but when I called for status I was told it's a special order with a 4-6 week delivery estimate! Hoping to save someone the same trouble. BEWARE!
July 26, 2020
1 year ago
Warranty applies only to products that were purchased from Hayward authorized sellers. Pool Supply Unlimited is a Hayward Authorized Online Reseller.
See Warranty Information PDF for warranty details.
For Hayward warranty registration information, and to submit online, please visit www.hayward-pool.com
This information was updated on 4/22/2022. For the most current information and full warranty policy please visit www.hayward-pool.com

 Adobe Acrobat PDF Warranty Information
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Pool Supply Unlimited is an e-commerce company that loves water. We love to pump it, filter it, heat it, chlorinate it, light it up and stare at it while we're barbequing a fat, juicy steak. There are real pool professionals working here. Our guys have seen thousands of pools in their careers, no exaggeration. We are based in Southern California and can land most products to your door (within the 48 contiguous states) in less than a week.
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