Zurn Z121-E Roof Drain — Static Extension

Dimensional data is subject to manufacturing tolerances and change without notice.

Download Specifications PDF

 

Pipe Size (A)
(in.)
Approx.
Weight (lbs.)
Dome Open
Area (sq. in.)
2 - 4, 6 26 78

ENGINEERING SPECS: Zurn Z121-E 12-in. roof drain includes a dura-coated cast iron (DCCI) body with combination membrane flashing clamp / gravel guard, static extension, and low-silhouette poly dome.


 

Outlet Types

Outlet Type Available Pipe
Sizes (in.)
Body Height
Dimension (E) (in.)
Inside Caulk (IC) 2 - 4, 6 5-1/4
Threaded (IP) 2 - 4, 6 3-3/4
No-Hub (NH) 2 - 4, 6 5-1/4
Neo-Loc (NL) 2 - 4 4-9/16

 


 

Dome Options

Poly Dome* (4-1/4 in. height) with DCCI Body (Z)
Aluminum Dome (6-9/16 in. height) with DCCI Body (ZA)
Cast Iron Dome (4-1/4 in. height) with DCCI Body (ZC)
Plain Bronze Dome (3-7/8 in. height) with DCCI Body (ZRB)

*Regularly furnished unless otherwise specified

 


 

Available Accessories

Acid Resistant Epoxy Coated Finish (-AR) Secondary Clamping Collar (-SC)
Bronze Mesh Screen Over Dome (-BS) Stainless Mesh Screen Over Dome (-SS)
Underdeck Clamp (-C) Neo-Loc Test Cap Gasket (2 - 4 in. NL Bottom Outlet Only) (-TC)
Top-Set® Roof Deck Plate (Replaces both underdeck clamp and roof sump receiver) (-DP) Vandal-Proof Secured Top (-VP)
Adjustable Drain Riser Extension Assembly (from 3-5/8 to 7-1/4 in.) (-DR) 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) 2-in. High External Water Dam (-89)
Roof Sump Receiver (-R) 90° Threaded Side Outlet Body (-90)