Dimensional data is subject to manufacturing tolerances and change without notice.
Pipe Size (in.) |
Approx. Weight (lbs.) |
Dome Open Area (sq. in.) |
2 - 4 |
23 |
43 |
ENGINEERING SPECS: Zurn Z125-SS 8-3/8in. roof drain includes a dura-coated cast iron (DCCI) body with combination membrane flashing clamp / gravel guard, low-silhouette cast iron dome and stainless steel mesh screen.
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)
- Secondary Clamping Collar (-SC)
- Underdeck Clamp (-C)
- Neo-Loc Test Cap Gasket (2 - 4-in. Neo-Loc Bottom Outlet Only) (-TC)
- Top-Set® Roof Deck Plate (Replaces both the Underdeck Clamp and Roof Sump Receiver) (-DP)
- Vandal-Proof Secured Top (-VP)
- Top-Set® Drain Riser (-DR)
- Vertical Expansion Joint (-XJ)
- 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)
- Galvanized Cast Iron (-G)
- 2-in. High External Water Dam (-89)
- Roof Sump Receiver (-R)
- 90° Threaded Side Outlet Body (2 - 4-in.) (previously Z126) (-90)