Downspout Nozzle
Downspout NozzleDownspout NozzleDownspout Nozzle

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Downspout Nozzle

Figure Number:  1770
Product Function:
Used as a parapet overflow or at the base of a wall where a concealed leader discharges rainwater to ground. Nozzle design diverts water away from building, eliminating wall stains. Wall flange covers rough opening and serves as anchor.

Regularly Furnished:
Cast Bronze Nozzle and Flange.
Product Details
  • Product Type:  Roof Drain
Related Figure Numbers
  • 1771 - With Machined Outlet With Set Screws and Flange
  • 1770Y-2 - With No-Hub Outlet and Flange
  • 1770T - Threaded Outlet
  • 1770Y - NO-HUB Outlet (02(50), 03(75), 04(100) and 06(150))
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NameDescriptionFile Size
Specifications US Govt ComplianceItems complying with U.S. government specifications34 KBDownload
CSI Specifications for Roof DrainsCSI Specifications for Roof Drains230 KB

Optional Materials


  • Bird Screen -BS
  • NO-HUB Adaptor - 5(125), 8(200), 10(255),12"(305) Only (Specify Fig. 2646Y)