Zurn Z121-C Roof Drain - Underdeck Clamp

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

Zurn Z121-C Roof Drain - Underdeck Clamp

Pipe Size
(in.)
Approx.
Weight (lbs.)
Dome Open
Area (sq. in.)
2 - 6 22 78

 

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

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Outlet Types

Outlet Type Available Pipe
Sizes (in.)
Body Height
Dimension (in.) (E)
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 4-5/8

 

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 (-AR)
  • Neo-Loc Test Cap Gasket (2 - 4 in. NL Bottom Outlet Only) (-TC)
  • Bronze Mesh Screen Over Dome (-BS)
  • Vandal-Proof Secured Top (-VP)
  • Static Extension (1 - 4-in.; specify height) (-E)
  • Vertical Expansion Joint (-XJ)
  • Flush Grate (Replaces dome strainer) (-FG)
  • Stainless Steel Perforated Gravel Guard (-84)
  • Galvanized Cast Iron (-G)
  • Stainless Steel Perforated Extension (-85)
  • Roof Sump Receiver (-R)
  • 2-in. High External Water Dam (-89)
  • Secondary Clamping Collar (-SC)
  • 90° Threaded Side Outlet Body (2 - 4-in. only) (-90)
  • Stainless Mesh Screen Over Dome (-SS)