Zurn Z121-90 Lateral Roof Drain
Dimensional data is subject to manufacturing tolerances and change without notice.
Download Specifications PDF
| Dimensions (in.) | Approx. Weight (lbs.) | Dome Open Area (sq. in.) | ||
| Pipe Size (A) | H | M | ||
| 2 | 6 | 4-1/8 | 37 | 78 |
| 3 | 3-5/8 | 35 | ||
| 4 | 3-1/8 | 36 | ||
ENGINEERING SPECS: Zurn Z121-90 12-in. lateral roof drain includes a dura-coated cast iron (DCCI) body with combination membrane flashing clamp / gravel guard, and a low-silhouette cast iron dome.
Outlet Types
| Outlet Type | Available Pipe Sizes (in.) |
E. Body Height Dimension (in.) |
| Threaded (IP) | 2 - 4 | 5-3/4 |
Dome Options
| Dome* (4-1/4 in. height) with DCCI Body (Z) |
| Aluminum Dome (6-9/16 in. height) with DCCI Body (ZA) |
| Plain Bronze Dome (3-7/8 in. height) with DCCI Body (ZRB) |
*Regularly furnished unless otherwise specified
Available Accessories
| Acid Resistant Epoxy Coated (-AR) | Roof Sump Receiver (-R) |
| Bronze Mesh Screen Over Dome (-BS) | Secondary Clamp Collar (-SC) |
| Underdeck Clamp (-C) | Stainless Mesh Screen Over Dome (-SS) |
| Top-Set® Roof Deck Plate (-DP) | Vandal-Proof Secured Top (-VP) |
| 2 in. High Static Extension (specify height) (-E) | Stainless Steel Perforated Gravel Guard (-84) |
| Top-Set® Adjustable Extension Assembly (-EB) | Stainless Steel Perforated Extension (-85) |
| Flush Grate (-FG) | 2-in. High External Water Dam (-89) |
| Galvanized Cast Iron (-G) |
