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Figure Number: 1770
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1770Downspout Nozzle

This downspout nozzle is used as a parapet overflow or installs at the base of a wall where a concealed leader discharges rainwater to the ground. Constructed of cast bronze, its nozzle design diverts water away from building, eliminating wall stains. A bronze flange anchors the nozzle to the wall and covers the rough opening.

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov - Learn More about this warning
Shows specifications for standard configuration. Configuration options may change specifications.
  • Variations
    Bird Screen -BS, NO-HUB Adaptor - 5(125), 8(200), 10(255),12"(305) Only (Specify Fig. 2646Y), (2) 3/8” (10) Tappings -TAP
  • Optional Materials
    Nickel Bronze -NB, Polished Bronze -PB
  • Product Type
    Roof Drain
SubmittalSubmittal 1770T / 1770Y Downspout Nozzle
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Technical Drawings
DWG 1770 Downspout NozzleDWG 1770 Downspout NozzleDWG44 KB
DWG 1771 Downspout NozzleDWG 1771 Downspout NozzleDWG116 KB
DWG 1770-ADA Downspout NozzleDWG 1770-ADA Downspout NozzleDWG26 KB
DWG 1779 Wall Box and Downspout NozzleDWG190 KB
Literature / Videos
Submittal 1771 Downspout NozzleSubmittal 1771 Downspout NozzlePDF393 KB
Submittal 1770Y-2 Downspout NozzleSubmittal 1770Y-2 Downspout NozzlePDF329 KB
Submittal 1770-ADA Downspout NozzleSubmittal 1770-ADA Downspout NozzlePDF804 KB
Submittal 1779 Wall Box and Downspout NozzleSubmittal 1779 Wall Box and Downspout NozzlePDF589 KB
MGI Corporate Brochure (pdf)Who we are, Our History, Morris Group International TodayPDF8 MB
MGI Brands Flyer (pdf)MGI Brands Flyer (pdf)PDF712 KB
Specifications for Roof DrainsSpecifications for Roof DrainsDOC230 KB
Downspout Nozzles and Covers Flyer (pdf)Flyer Downspout Nozzles and CoversPDF5 MB
1770 - Downspout Nozzle With Threaded Outlet and Flange (hi res jpg)JPG87 KB
1770Y - Downspout Nozzle With No-Hub Outlet (hi res jpg)JPG61 KB
1771 - Downspout Nozzle With Machined Outlet With Set Screws and Flange (hi res jpg)JPG47 KB
Technical Data for Roof DrainsTechnical Data for Roof DrainsPDF2 MB
Engineering Newsletter: Vol. 2, Issue 4 (May 2012)Fig. Nos. 1770, 1771, 1775 Downspout NozzlesPDF2 MB
Engineering Newsletter: Vol. 1, Issue 2 (Feb. 2011)Dual Downspout NozzlesPDF715 KB
Quote Worksheet Smith Drainage SystemsQuote Worksheet Smith Drainage SystemsPDF36 KB
Order Guidelines for Roof DrainsOrder Guidelines for Roof DrainsPDF120 KB
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  • 1771 With Machined Outlet With Set Screws and Flange
  • 1770Y-2 With No-Hub Outlet and Flange
  • 1770Y NO-HUB Outlet (02(50), 03(75), 04(100) and 06(150))
  • 1770T Threaded Outlet