Hayward ProGrid 48 Sq Ft DE Filter | W3DE4820

Hayward ProGrid 48 Sq Ft DE Pool Filter System | W3DE4820

The Hayward ProGrid 48 Sq Ft DE Pool Filter System | W3DE4820 delivers professional-grade filtration performance for pools and spas, combining precision engineering with the proven efficiency of diatomaceous earth (DE) media. With a generous 48 square foot filtration area, this system provides exceptional clarity by removing debris and particles as small as 5 microns, producing crystal-clear water that enhances both appearance and safety. Built with a heavy-duty, glass-reinforced co-polymer tank, the W3DE4820 resists corrosion, chemical wear, and UV degradation, ensuring long-term durability and reliability for both new pool builds and system upgrades.

Engineered with Hayward’s advanced hydraulic design, the ProGrid DE Filter optimizes water flow while minimizing energy consumption. A one-piece, tamper-proof flange clamp allows easy access to internal components without disturbing plumbing, while the manual air relief valve and pressure gauge streamline maintenance. The W3DE4820’s vertical grid design and even DE distribution system ensure consistent filtration efficiency across all elements. Designed for easy servicing, rugged endurance, and superior performance, the Hayward ProGrid 48 Sq Ft DE Filter remains a trusted choice among professionals seeking reliability, clarity, and low maintenance for medium-to-large pools.

Note: You may require a backwash valve for this filter which is Not Included and can be purchased separately

Key Features of the Hayward W3DE4820 ProGrid Diatomaceous Earth Filter

• High-Capacity 48 Sq Ft Filtration: Offers a large filtration area ideal for medium and large pools, trapping impurities as fine as 5 microns for consistently clear water.

• Durable Glass-Reinforced Tank: Built with corrosion-resistant co-polymer materials to withstand extreme conditions, pool chemicals, and high-pressure applications.

• Optimized Hydraulic Flow Design: Incorporates 2-inch full-flow internal plumbing for reduced resistance and improved water circulation, maximizing system efficiency.

• Easy Access for Maintenance: One-piece heavy-duty clamp design enables tool-free opening for fast grid inspection, cleaning, and DE replacement without disturbing plumbing.

• Rapid Air Release System: Quick quarter-turn manual air relief valve allows trapped air to escape safely, ensuring smooth operation and balanced pressure.

• Superior DE Media Performance: Utilizes natural diatomaceous earth for ultra-fine filtration, maintaining water that’s visibly cleaner and healthier for swimmers.

• Top-Down Backwashing Efficiency: Features an up-flow filtration and top-down backwashing system that evenly redistributes DE for consistent coverage and extended cycles.

• Accurate Pressure Monitoring: Integrated gauge provides easy-to-read system feedback, helping pool owners manage performance and service intervals effectively.

Specifications

• Maximum Filtration Size: Filters out particulates as small as 5 microns
• Filtration Area: 48 square feet
• Dimensions: 26" inches in diameter and 40.5" inches in height
• Vertical Clearance: 58"
• Grid: 1 Required (Included)
• Weight: Approximately 74 pounds
• DE Required: 6 pounds
• Installation: 2 inch plumbing connections
• Flow Rate: Maximum flow rate of 96 gallons per minute (GPM)

Includes

• (1) Hayward W3DE4820 Pro-Grid DE Filter
• (1) Filter Grid
• (1) Manual Air Relief Valve- CCX1000V
• (1) Pressure Gauge- ECX2712B1
• (1) Clamp- DEX2421JKIT

*See manual page 10 for complete list

Compatibility

Compatible with the following valves

• Selecta-Flo 2" SKT- SP0740DE
• Vari-Flo 1 1/2" NPT- SP0710XR50 
• Vari-Flo 2" NPT- SP0715XR50 
• Slide Valve 2" SKT- SP0410X5025