Pro Series Pool Sand Filter

Product Codes: W3S166T (16 in.), W3S180TC (18 in.), W3S210TC / S210TC (21 in.), W3S220TC (22 in.), W3S310T2 (30 in.)

Product Name: Hayward Sand Filters

Filter Diameters: 16 in., 18 in., 21 in., 22 in., 30 in.

Connections: 16 in. — 1.5 in. Union SLIP; 18 in. — 1.5 in. SLIP Unions; 21 in. — 1.5 in. Union SLIP; 22 in. — 1.5 in. SLIP Unions; 30 in. — 2 in. Union SLIP

Sand Requirements: 16 in. — 100 lb; 18 in. — 125 lb; 21 in. — 200 lb; 22 in. — 250 lb; 30 in. — 500 lb (all sand not included)

Warranty: 1 Year

Replacement Parts Available

Hayward and Sandmaster high‑rate sand filters use corrosion‑proof reinforced thermoplastic tanks with unitized construction for long‑lasting, low‑maintenance operation. Pro Series models feature an integral top diffuser distributing water evenly across the sand bed, self‑cleaning 360° slotted laterals for balanced flow, and full‑flow technology that improves filtration efficiency and reduces energy consumption. These filters deliver excellent clarity, durability, and consistent performance.

Features:

• Corrosion‑proof, reinforced thermoplastic tank
• Integral top diffuser for even water distribution
• Self‑cleaning 360° slotted laterals
• Efficient full‑flow technology reduces pump run time
• Patented multi‑port valve on Pro Series models
• Design/maximum flow rate: 16/18/22/25 in. — 75 GPM; 21 in. — 98 GPM
• 1.5 in. inlet/outlet ports (30 in. model uses 2 in.)
• Some models include 3 ft hose (16 in., 18 in., selected 21 in.)
• Black tank color on Sandmaster series

Warranty Coverage: Hayward Sand Filters include a 1‑Year Limited Manufacturer’s Warranty covering defects in workmanship and materials. Warranty is void if damaged due to improper installation, misuse, incompatible equipment, freeze damage, or low water level. Labour, lost water, chemicals, and incidental damages are not covered.