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 Handle1.2 GPM WaterSense®
Finish: Matte Black
3 availableBuilt 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
Niagara Specifications
InstallationSingle-hole deck mount (vessel height)
HandlesSingle lever handle
Spout TypeOpen-channel waterfall
Flow Rate1.2 GPM (WaterSense® certified)
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 HarborFlow faucet 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 1.2 GPM)