Main Drains

Introducing the Daldorado DalMax™ series of Sump and Grate for new construction, and replacement Frame and Grate for 18”x36” and 18”x54” unblockable large area main drains. The DalMax™ series is certified to  APSP-16-2011 Standards by IAPMO, and NSF certified for material composition. 

Daldorado is the ONLY American company to design & engineer its APSP-16-2011 Main Drain grates, whether new or VGB replacement, to give a 25 year service life. 

DalMax™ main drain sumps for commercial pools are constructed of fiberglass with grates made from the highest quality PVC that meet or exceed IBC standards. With a large open area of 62% and the highest flow rate in the industry, DalMax™ is the clear choice for every new commercial pool construction or large area main drain replacement (frame and grate). 

Features include:

  • Available in 18” x 36” and 18” x 54"
  • 18 x 36 available in 3 depths - 34", 28" & 24"
  • Open area ~ 62%
  • Floor or wall installation
  • Can be customized to different piping schematics. Connections can be threaded, flanged or slip couplings. Specify outlet location.
  • FRP 3” water stop, 5” from edge of sump continuous around perimeter.
  • Recommended to use a 2" non-separation rope around the sump perimeter.
  • Shipped with removable internal strength support, which remains throughout construction.
  • 25 Year Service Life under VGB 
  • Colors Available: White
DalMax 18 x 36 Sump and Grate
Grate Size    18 x 36 x 34     18 x 36 x 28     18 x 36 x 24     18 x 54 x 34  
Maximum port size  12" 10" 8" 14"
Floor GPM 2869  2480 1984 4412
Wall GPM 2080 1909 1440 N/A

FRAME & GRATE

DalMax 18 x 36 Frame and Grate
Grate Size    18 x 36 x 34     18 x 36 x 28     18 x 36 x 24  
Maximum port size  12" 10" 8"
Floor GPM 2869  2480 1984
Wall GPM 2080 1909 1440

Pool images shown may or may not be an actual representation of a product provided by Daldorado.
For product samples or project examples please contact a Daldorado Sales Representative at 1.888.509.8128
 

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