Underdrain Assembly – 21 Inch | SWX210DA

Underdrain Assembly – 21 Inch | SWX210DA

The 21" underdrain assembly is built to support consistent water distribution and sand filtration performance. Designed for compatibility with select sand filter models, this part includes the central hub and laterals in a ready-to-install configuration.

Features

• 21-Inch Diameter: Sized to match specific sand filter tanks, ensuring a secure fit and proper function.

• Pre-Assembled Hub & Laterals: Comes ready to install with all laterals securely attached to the central hub.

• Even Flow Distribution: Supports balanced filtration and efficient backwashing by promoting consistent water movement.

• OEM Quality: Built to match original design specifications for reliable performance and compatibility.

Fits

• Select Hayward and comparable sand filters using SWX210DA

• 21-inch internal filter bases

Used For

• Replacing worn or broken underdrain assemblies

• Restoring sand filter function after long-term use

• Seasonal service and filter rebuilds

A dependable replacement that helps maintain clean water and strong system performance without needing to replace the entire filter.

We want you to have quick and easy access to warranty information for all the brands we carry. Please click on the links below to view each manufacturer’s warranty page:

• Pentair Warranty
  
• A&A (Pentair In-Floor) Warranty
  
• Fluidra Warranty (Zodiac / Jandy / Polaris / Caretaker)
  
• Paramount Warranty
  
• BlueSquare Warranty
  
• Hayward Warranty
  
• All Other Manufacturer Warranties
  

Note: Warranty coverage, registration, and service terms are provided directly by the manufacturer. Please review the details carefully to ensure proper understanding of coverage and claim procedures.