Hayward W3S166T Pro Series Sand Filter – 16" Tank with 7-Position Top-Mount Valve

Key Features

• Efficient Filtration: Advanced 7-position Vari-Flo™ control valve provides maximum flow at low pressure drop.
• Durable 16" Tank: Corrosion-proof, weather-resistant construction built for long life in any pool environment.
• Top-Mount Valve: Easy-to-use control handle for filter, backwash, rinse, waste, recirculate, closed, and winter modes.
• Reliable Sand Media Filtration: Removes debris and particles as small as 20 microns for crystal-clear water.
• Ideal for Above-Ground Pools: Perfect size and performance for pools up to approximately 10,000 gallons.

Product Overview

The Hayward W3S166T Pro Series Sand Filter offers dependable, hassle-free pool filtration using industry-standard sand media. Featuring a rugged, injection-molded tank and an easy-operating 7-position Vari-Flo™ control valve, this filter delivers effective performance and minimal maintenance. The 16" tank is compact yet powerful, making it an excellent choice for above-ground pools or smaller in-ground installations that require high-efficiency filtration and long service life.

Specifications

• Model Number: S166T
• Tank Diameter: 16 inches
• Valve Type: Top-Mount, 7-Position Vari-Flo
• Max Flow Rate: 30 GPM
• Filtration Area: 1.40 sq. ft.
• Required Sand: 100 lbs. (not included)
• Connection: 1.5" plumbing
• Application: Above-ground pools or small in-ground pools

What’s Included

• Hayward S166T 16" Sand Filter Tank
• Top-Mount Vari-Flo™ Multiport Valve
• Pressure Gauge
• User and Installation Manual
• *Sand media not included

Why Buy From Best Buy Pool Supply?

• Authorized Hayward Dealer
• Fast shipping
• Expert support to help with sizing and installation questions

Shipping & Returns

• Shipping: Usually ships within 1–2 business days
• Returns: 30-day return policy on unused, unopened filters

Need Help Choosing the Right Filter for Your Pool?

Call our team at (800) 877-1268 or click here for expert assistance. We'll help you find the best filter size and type based on your pool size and pump specs.