Hamat - CWG-1317 - 13" x 16 1/2" Wire Grate/Bottom Grid  SEBA-4000 GR Houzer lists it for CF-1830

Houzer lists it for CF-1830 and SCF-1830

a 40°–360° adjustable arc

The body is designed to support either configuration when installed according to Irritrol instructions

Basement sump pits

Hamat - CWG-1317 - 13" x 16 1/2" Wire Grate/Bottom Grid  SEBA-4000 GR Houzer lists it for CF-1830Hamat CWG 1317 Wire Grate Bottom Grid Brand: Hamat SKU: CWG 1317 Product Overview The Hamat CWG 1317 is an in the sink wire grate bottom grid for select compatible Hamat large sink bowls. A bottom grid creates a raised surface inside the basin, allowing water to drain through while helping keep dishes, utensils, and cookware slightly above the sink floor. Since sink grids are model and bowl specific, compatibility should be verified before purchase.