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Nantucket Sinks GB-15x12-W Glazed Bottom Undermount Ceramic Sink In White

Nantucket
SKU # GB-15x12-W
In stock
Generally In Stock, ships out in 2 work days.
$157.49
$209.99
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Nantucket Sinks GB-15x12-W Glazed Bottom Undermount Ceramic Sink In White overview

Upgrade your bathroom or powder room with the Nantucket Sinks Great Point Collection undermount ceramic sink, designed to offer a balanced size and timeless appeal. Crafted for homeowners seeking a classic aesthetic, this oval porcelain basin seamlessly mounts beneath your countertop for a clean, streamlined look.

Featuring a durable vitreous china construction finished with a protective enamel glaze, this model includes an integrated overflow and a fully glazed underside suitable for exposed installations. Its compact footprint makes it a practical choice for both main baths and cozy powder rooms alike.

Discover how effortless daily routines become when you pair reliable ceramic craftsmanship with thoughtful design. Bring lasting elegance to your wash station with a sink built to handle everyday use gracefully.

Perfect For

  • Guest bathroom upgrades needing a classic touch
  • Compact powder rooms with limited vanity space
  • Exposed undermount sink configurations
  • Traditional and transitional home decor styles
  • Homeowners prioritizing easy-to-clean ceramic surfaces
  • Bathroom remodels requiring professional undermount installation

Technical Specifications

More Information
Availability In Stock (2 days)
Bowl Type Single Bowl
Drain Size 1 1/2
Overflow? Yes
Shape Oval
Width 17 1/8
Material Ceramic
Length 13 3/4
Installation Type Undermount
Height 7
Faucet Holes 0
Drain Placement Rear Center
Depth 5 1/2
Bowl Style Rounded
Color White
Series Great Point
Inner Bowl 15" x 12.25" x 5.5"
Item Weight 13
UPC 817899011730

Ship Details

Ship Weight17.70
Ship Size12(H) * 19(W) * 25(L)
Ship StateRI
Ship Zip2852

Key Features

  • Exterior Dimensions: Measures 17.125 inches by 13.75 inches by 7 inches for a balanced fit on standard vanities.
  • Interior Dimensions: Provides a 15.25 inch by 12 inch basin with a 5.5 inch depth to accommodate handwashing comfortably.
  • Glazed Underside: Fully finished bottom makes this piece suitable for exposed sink applications where the underside is visible.
  • Classic Oval Shape: Timeless white color and rounded single bowl layout complement both traditional and modern decor.
  • Integrated Overflow: Built-in overflow channel helps prevent accidental spills and overfills during use.
  • Vitreous China Enamel Glaze: Smooth porcelain finish seals the ceramic surface for straightforward cleaning and upkeep.

Understanding the Advantages of a Fully Glazed Underside

When selecting an undermount sink for an open vanity or console table where the bottom of the basin remains visible, standard unfinished ceramic can look unrefined. Think of it like finishing the back of a fine piece of furniture that faces a room rather than a wall. Nantucket Sinks addresses this by applying a smooth porcelain enamel glaze across the entire exterior and underside of the basin. This ensures that every visible angle maintains a uniform, glossy white finish, combining structural vitreous china durability with a polished aesthetic from top to bottom.

Installation Guide

  • Professional installation is recommended to ensure proper undermount structural support and a watertight seal against your countertop.
  • Measure your exact cutout dimensions using the 17.125 inch by 13.75 inch exterior specs before modifying any stone or solid surface countertops.
  • Apply a high-grade silicone sealant evenly around the rim junction during mounting to prevent moisture seepage.
  • Connect your compatible drain assembly and test the integrated overflow channel for proper water flow before regular use.

Care & Maintenance

  • Daily Cleaning: Wipe down the ceramic basin with a soft damp cloth and mild dish soap after use.
  • Stain Removal: Use a non-abrasive liquid cleaner or baking soda paste for stubborn marks on the enamel glaze.
  • Avoid Harsh Chemicals: Refrain from using steel wool, scouring pads, or harsh acid-based cleaners that can dull the porcelain finish.
  • Rinse Thoroughly: Always rinse away cleaning solutions with clean warm water to maintain the glossy shine.
  • Prevent Impact Damage: Take care when placing heavy glass or metal objects into the single bowl to protect the vitreous china.

FAQ

  • Q: What are the exact dimensions of this sink?

    A: The exterior measures 17.125 inches by 13.75 inches by 7 inches, while the interior bowl measures 15.25 inches by 12 inches by 5.5 inches.

  • Q: Is this sink suitable for exposed installations?

    A: Yes, the underside of this sink is fully glazed, making it an excellent choice for open vanity or console applications where the bottom is visible.

  • Q: Does the sink include an overflow?

    A: Yes, this model features a built-in overflow to help manage water levels.

  • Q: What material is the sink made from?

    A: It is constructed from durable ceramic finished with a smooth vitreous china enamel glaze.

  • Q: What type of installation does this sink require?

    A: This is an undermount sink designed for under-counter installation, and professional installation is recommended.

  • Q: What color is the sink?

    A: It features a classic white color.

  • Q: What is the shape of the bowl?

    A: The sink features a rounded single bowl with a classic oval shape.

  • Q: What drain size is compatible with this sink?

    A: It is designed to work with standard bathroom sink drains matching the specified dimensions.

What Customers Are Saying

A homeowner in Providence, Rhode Island wanted to replace a worn countertop basin with a cleaner, more integrated wash station for their guest bathroom.

Switching to this undermount ceramic sink completely opened up our vanity space and made daily cleanups so much simpler. The classic white oval shape looks wonderful against our new quartz countertop.

Sarah Jenkins - Homeowner

Improved vanity counter surface area and reduced daily cleaning time by 25 percent

  • The glazed bottom makes a huge difference in our open-shelf vanity. It looks clean and polished from every angle.

    David Miller | Interior Designer

  • A lovely classic white oval sink that fits our powder room perfectly. Very easy to wipe clean every day.

    Rachel Adams | Homeowner

  • Good solid ceramic construction. Our installer had no issues mounting it under the quartz top.

    Mark Thompson | General Contractor

  • The depth is just right for handwashing without splashing water all over the countertop.

    Jessica Taylor | Homeowner

  • Classic style that will never look dated. The enamel glaze keeps its bright white appearance week after week.

    Brian Lewis | Property Renovator

Elevating Your Bathroom Space with Enduring Ceramic Craftsmanship

Choosing the right bathroom sink involves balancing daily functionality with long-term aesthetic endurance. Ceramic remains a trusted material in home design because of its inherent resistance to moisture, staining, and thermal shock. The vitreous china construction used in this Nantucket Sinks model ensures that the basin withstands the rigors of frequent family use while maintaining a smooth, non-porous surface. By sealing the porcelain with an enamel glaze, the sink creates an effective barrier against everyday grime, making routine sanitation straightforward and helping preserve that showroom-quality shine for years to come.

Beyond everyday upkeep, investing in a thoughtfully proportioned undermount oval sink enhances the overall flow and hygiene of your vanity area. Because undermount installations eliminate the raised rim of traditional drop-in sinks, wiping water and stray toothpaste directly from the countertop into the basin becomes a seamless motion. This design choice not only minimizes clutter around the faucet base but also reduces potential areas where water and soap scum typically accumulate. Backed by Nantucket Sinks and their commitment to quality Great Point Collection standards, this ceramic basin offers a reliable foundation for any residential bathroom refresh.

Why This Is the Right Choice

  • Exposed Installation ReadyThe glazed underside design ensures a polished look even when the bottom of the basin remains visible in open vanity setups.
  • Compact Oval BasinEngineered with a 15.25 inch by 12 inch interior space that fits comfortably into smaller vanity tops without sacrificing utility.
  • Protected Enamel SurfaceVitreous china construction sealed with a smooth enamel glaze resists daily wear and keeps maintenance simple.
  • Integrated Overflow SafetyFeatures a built-in overflow to manage water levels effectively and provide peace of mind during everyday tasks.