Zurn Z125-89 8-3/8 in. Roof Drain with 2-in. External Water Dam
Dimensional data is subject to manufacturing tolerances and change without notice.
Download Specifications PDF
| Pipe Size (in.) |
Approx. Weight (lbs.) |
Dome Open Area (sq. in.) |
| 2 - 4 | 14 | 43 |
ENGINEERING SPECS: Zurn Z125-89 8-3/8in. roof drain includes a dura-coated cast iron (DCCI) body with combination membrane flashing clamp / gravel guard, 2-in. high external water dam, and low-silhouette cast iron dome.
Outlet Types
| Outlet Type | Available Pipe Sizes (in.) |
Body Height Dimension (in.) (E) |
| Inside Caulk (IC) | 2 - 4 | 3-7/8 |
| Threaded (IP) | 2 | 2-7/16 |
| Threaded (IP) | 3 | 2-3/4 |
| Threaded (IP) | 4 | 3 |
| No-Hub (NH) | 2 - 4 | 4 |
| Neo-Loc (NL) | 2 - 4 | 3-13/16 |
Dome Options
| Dome* (4-1/4 in. height) with DCCI Body (Z) |
| Aluminum Dome (4-1/4 in. height) with DCCI Body (ZA) |
| Plain Bronze Dome (3-1/4 in. height) with DCCI Body (ZRB) |
*Regularly furnished unless otherwise specified
Available Accessories
| Acid Resistant Epoxy Coated Finish (-AR) | Roof Sump Receiver (-R) |
| Bronze Mesh Screen Over Dome (-BS) | Secondary Clamping Collar (-SC) |
| Underdeck Clamp (-C) | Stainless Mesh Screen Over Dome (-SS) |
| Top-Set® Roof Deck Plate (Replaces both the Underdeck Clamp and Roof Sump Receiver) (-DP) | Neo-Loc Test Cap Gasket (2 - 4-in. Neo-Loc Bottom Outlet Only) (-TC) |
| Top-Set® Drain Riser (-DR) | Vandal-Proof Secured Top (-VP) |
| 2-in. Static Extension (specify height) (-E) | Vertical Expansion Joint (-XJ) |
| Top-Set® Adjustable Extension Assembly (-EB) | Stainless Steel Perforated Gravel Guard (-84) |
| Flush Grate (Replaces dome strainer) (-FG) | Stainless Steel Perforated Extension (-85) |
| Galvanized Cast Iron (-G) | 90° Threaded Side Outlet Body (2 - 4-in.) (previously Z126) (-90) |
