Hayward DEX2420MAR2 Manual Air Relief Assembly

What This Part Is Used For
The Hayward DEX2420MAR2 Manual Air Relief Assembly vents trapped air from compatible Hayward DE2420 filter tanks. It allows safe pressure release during operation and maintenance.

Why This Part Matters
A faulty air relief assembly can cause pressure fluctuations and trapped air inside the tank. Replacing it restores proper venting and safe filter operation. This helps maintain steady filtration performance.

Key Features and Specifications

• Manufacturer part number DEX2420MAR2
• Manual air relief assembly
• For compatible Hayward DE2420 filters
• Releases trapped air from tank
• Service replacement vent component

Installation and Fitment Guidance
Shut off the pump and relieve pressure before servicing. Check associated O-rings during installation. Confirm by manufacturer part number before ordering.

About the Hayward Brand
Hayward filtration systems are designed with serviceable air relief components. Their assemblies are widely supported in routine maintenance. Genuine Hayward parts help maintain safe pressure control.

Common Service Context
Frequently replaced when filters struggle to prime. Common during seasonal DE filter cleanings.