Hayward ProGrid™ Pool DE4820

ProGrid® Vertical Grid D.E. Filters

Premium Diatomaceous Earth Filtration

Overview
ProGrid vertical grid D.E. filters deliver superior water clarity, efficient flow and high dirt-trapping capacity for pools and spas of all types and sizes. Combining advanced “service-ease” design with proven DE filtration technology, ProGrid provides an unparalleled value for both new-build and aftermarket installations.

Features

• High-Capacity Grid Elements: Rapid-release manual air relief valve bleeds trapped air with a quick quarter-turn.

• Durable Construction: Filter tanks molded from glass-reinforced copolymer to withstand harsh environments and in-floor cleaning systems.

• Service-Ease™ Design: Self-aligned tank top and bottom plus a heavy-duty, tamper-proof one-piece flange clamp allow full access to all internal components without disturbing plumbing.

• Optimized Filtration & Backwash: High-impact grid elements engineered for up-flow filtration and top-down backwashing for maximum efficiency.

• Easy Handling: Integral lift handles and a low-profile base make grid nest removal fast and simple.

• Even D.E. Distribution: Inlet diffuser elbow delivers unfiltered water evenly to all grids, ensuring consistent D.E. coating.

• Flexible Plumbing Options: Multiple valve and plumbing configurations, including 2″ full-flow internal piping, for customized control and minimal flow resistance.

• Commercial-Grade Performance: Large 72 ft² filter area (in the DE7220 model) supports both commercial and large residential applications with years of trouble-free operation.

Certifications & Compliance

• NSF/ANSI Standard 50 Certified

• California Proposition 65 Warning: May expose you to chemicals known to the State of California to cause cancer or reproductive harm. See www.P65Warnings.ca.gov.

Operational Notes

• Maximum continuous operating pressure: 50 PSI

• Maximum water temperature (internal filter): 104 °F (40 °C)

• Actual system flow depends on plumbing size and other components.

• Pentair does not recommend flow rates above 150 GPM.