HarborFlow Vessel Waterfall

Niagara

Model M3306

Dramatic tall-profile waterfall for vessel sinks.

The Niagara brings waterfall drama to vessel installations. An open-channel spout pours a ribbon of water from a tall square column — bold, architectural, and visually arresting.

cUPC® CertifiedVessel Single-HoleSingle Handle1.5 GPM WaterSense®

Finish: Matte Black

3 available

Swatches and finishes shown are representative — actual color and texture may vary slightly. Request a sample to confirm before final selection.

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Built for Performance. Designed for Life.

Waterfall Drama

Open-channel spout transforms the vessel sink into a showpiece of modern luxury.

Architectural Column

Tall square column design delivers bold vertical presence over vessel basins.

See It in Your Space

HarborFlow Niagara installation example 1

HarborFlow Niagara installation example 2

Niagara Specifications

InstallationSingle-hole deck mount (vessel height)

HandlesSingle lever handle

Spout TypeOpen-channel waterfall

Flow Rate1.5 GPM (WaterSense® certified)

Max Pressure60 PSI

MaterialSolid brass body

Cartridge35mm ceramic disc, 500,000+ cycle rated

ConnectionNPT 1/2" inlet connectors

CertificationcUPC® listed (US & Canada)

StandardsASME A112.18.1 / CSA B125.1 compliant

Lead ContentLow-lead compliant (NSF/ANSI 372)

cUPC®

CERTIFIED

Certified for North American Plumbing Codes

Every Shoreline plumbing fixture carries cUPC® certification from IAPMO Research and Testing, Inc., ensuring full compliance with the strictest residential plumbing standards in both the United States and Canada. Certificate #16054, effective April 2024 – April 2029.

Standards Met:

ASME A112.18.1-2018 / CSA B125.1-18
Uniform Plumbing Code (UPC®)
National Plumbing Code of Canada
NSF/ANSI 372 — Low-Lead Content
EPA WaterSense® (at 1.5 GPM)