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The FRANKE nd1831ua-9n is a double bowl undermount kitchen sink constructed from 18-gauge stainless steel. Measuring 31 inches x 18 inches, it mounts beneath solid surface countertops to create a flush, seamless transition at the counter edge. The 18-gauge construction provides resistance to staining and corrosion while keeping the basin walls rigid under daily load. A factory-applied sound-dampening system reduces noise generated by running water and disposal vibration, making it well suited for open-plan kitchens where ambient noise is a concern. Licensed plumbers and kitchen installers handle this fixture in both new construction and remodel applications.
The nd1831ua-9n fits residential kitchen installations where an undermount configuration is specified alongside solid surface, granite, or quartz countertops. The double bowl layout divides prep and clean-up tasks, giving the user two independent working areas. The smooth interior corners simplify routine cleaning and prevent debris buildup along the basin walls. Because the sink mounts below the deck surface, crumbs and liquids can be swept directly from the counter into the basin without a raised rim interruption.
Designed as an OEM-style undermount replacement or new-install sink for residential kitchen applications using solid surface countertops with a standard undermount cutout.
Installation is typically performed by a licensed plumber or experienced kitchen installer. Shut off the water supply and disconnect existing drain lines before beginning any sink swap. Follow IPC guidelines for drain slope and trap configuration when roughing in or reconnecting drain plumbing. Use only manufacturer-approved undermount clips and silicone sealant rated for kitchen use to secure the sink to the underside of the countertop.
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