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    Sinks
    1. Home
    2. Kitchen & Bath Cabinet Accessories
    3. Sinks and Accessories
    4. Sinks
    Item # KAQU820-CN • Mfr # QU-820-CN

    Karran 24-3/8"W x 19-1/8"D Quartz Concrete Single Bowl Undermount Sink - QU-820-CN

    • Technical data, QU-820-CN
      Technical data, QU-820-CN
    • User manual 1, QU-820-CN
      User manual 1, QU-820-CN

    Description

    Karran Quartz Undermount Sink For Kitchens

    Karran quartz undermount kitchen sink describes a 24-3/8 inch wide by 19-1/8 inch deep single bowl undermount sink made from 80% natural quartz crystals and pure acrylic resin, so installers get a rigid bowl that handles daily kitchen use. This Karran quartz sink is designed for installation into quartz, granite and solid surface countertops, giving fabricators a clear fit target for common hard surface jobs. Its quartz material is heat resistant up to 535 F, so the bowl tolerates exposure to hot pots or frequent hot water without softening. The sink can withstand rapid temperature changes from hot and cold water, which helps on sites where users alternate between hot rinses and cold fills. Durable quartz material is non-porous, preventing the spread of germs and bacteria, which matters in kitchens that need a hygienic, easy-to-wipe surface. The sink surface is extremely stain, scratch, abrasion and impact resistant, supporting a long service life under cookware and utensil contact.

    Quartz Sink Details That Support Daily Use

    • This quartz concrete single bowl design creates one uninterrupted 9 inch deep workspace, so large pots and pans sit fully in the bowl during cleaning or prep.
    • The rear drain location frees more open area in the front of the cabinet, which helps when routing plumbing and organizing storage beneath the sink base.
    • The 3-1/2 inch drain opening size accepts standard sink drains, simplifying selection of compatible drain fittings and most garbage disposals for straightforward hookups.
    • Approximate weight of 29 lbs keeps the Karran QU-820-CN sink manageable for lifting and positioning, which is useful when aligning it under a heavy quartz or granite top.
    • All external dimensions are approximate to 1/4 inch, giving countertop fabricators a realistic tolerance band when cutting and finishing the sink cutout.

    Undermount Installation And Fit Considerations

    This Karran quartz single bowl sink is designed for undermount installation beneath quartz, granite and solid surface countertops, so it fits the standard workflow of solid surface and stone shops. The 24-3/8 inch wide by 19-1/8 inch deep footprint aligns with a minimum 27 inch sink base cabinet, which helps layout planning when pairing sink bases with countertop slabs. A rear drain layout concentrates plumbing toward the back, giving extra room near the front of the cabinet for pull-out trays or other storage systems. With 9 inch deep bowls, the sink provides vertical capacity while still fitting in typical 27 inch sink base cabinets. External dimensions being approximate to 1/4 inch let installers allow for small variances when mounting clips and sealing the rim.

    How This Quartz Concrete Sink Works In Kitchens

    Where This Quartz Concrete Sink Performs Best

    This quartz concrete single bowl sink works in kitchen layouts using quartz, granite or solid surface countertops because it is specifically designed for installation into those materials. The undermount configuration lets the countertop edge run clean to the bowl, which suits stone and solid surface fabrication practices focused on flush, easy-to-wipe edges. A minimum 27 inch sink base cabinet requirement sets clear use in standard base runs where that cabinet size is available. The 9 inch deep bowl offers ample room to accommodate cookware, so residential kitchens that handle oversize pots or baking sheets gain a practical wash zone without multiple basins. The rear drain location supports storage under the sink base, which benefits kitchens where organized under-sink space is important for cleaning products or pull-out bins.

    Why Karran QU-820-CN Details Reduce Rework

    The Karran QU-820-CN sink pairs 80% natural quartz crystals with pure acrylic resin, producing a non-porous structure that resists staining, which reduces call-backs related to surface discoloration. Non-porous quartz material also prevents the spread of germs and bacteria, supporting cleaner long-term use without needing special cleaning steps. Heat resistance up to 535 F helps prevent damage from hot cookware, protecting both the sink and adjacent countertop edge during normal kitchen operation. The sink can withstand rapid temperature changes from hot and cold water, so fabricators do not have to factor in thermal shock as a typical failure point during everyday use. Extremely scratch, abrasion and impact resistant quartz supports durability when customers frequently stack heavy pots into the bowl. External dimensions being approximate to 1/4 inch help installers compensate during cutout fabrication and mounting, lowering the chance of on-site adjustments. The approximate 29 lbs weight is light enough for one or two-person handling under a quartz or granite top, which keeps installation moving efficiently on finish days. Replacement for old WBSC part number KAQU671-BI lets shops swap in this model wherever that earlier part was specified, maintaining continuity in projects that reference the former number.

    Common Questions About This Karran Quartz Sink

    What are the overall dimensions of the Karran QU-820-CN sink?

    The Karran QU-820-CN sink measures 24-3/8 inches wide by 19-1/8 inches deep, which guides countertop cutout sizing and cabinet layout.

    What cabinet size works with this quartz single bowl sink?

    The quartz concrete single bowl sink requires a minimum 27 inch sink base cabinet, so it fits typical base cabinet runs built around that width.

    How deep is the bowl on this quartz undermount sink?

    The sink has 9 inch deep bowls, providing vertical room for large pots and cookware during washing without crowding the countertop edge.

    What type of countertops can this Karran quartz sink use?

    The Karran quartz undermount sink is designed for installation into quartz, granite and solid surface countertops, matching common hard surface materials.

    How heat resistant is the Karran quartz concrete sink?

    The Karran quartz sink is heat resistant up to 535 F and handles rapid temperature changes from hot and cold water during normal kitchen use.

    What is the drain opening size and location on this sink?

    The sink has a 3-1/2 inch drain opening with a rear drain location, which supports standard drain fittings and frees space at the front of the cabinet.

    Select This Quartz Sink For Solid Surface Jobs

    The Karran quartz single bowl undermount sink offers a 24-3/8 inch by 19-1/8 inch footprint, a 9 inch deep bowl and a rear 3-1/2 inch drain opening, aligning with 27 inch sink base cabinets and standard drain components. Its 80% natural quartz and pure acrylic resin construction delivers a non-porous, extremely stain, scratch, abrasion and impact resistant surface that is heat resistant up to 535 F and tolerates rapid temperature shifts. For installers and fabricators working with quartz, granite or solid surface countertops who need a durable, hygienic undermount option, this Karran QU-820-CN sink is built to integrate cleanly into those materials and support efficient, repeatable kitchen installations.

    Color/Finish
    Concrete
    Product Type
    Undermount Sink
    Overall Sink Length (Side to Side)
    24-3/8 in
    Overall Sink Width (Front to Back)
    19-1/8 in
    Minimum Cabinet Width Required
    27 in
    Inside Bowl Depth
    9 in
    Inside Bowl Length
    22 in
    Inside Bowl Width
    16-3/4 in
    Installation Method
    Undermount
    Designed for Installation Into
    Quartz, Solid Surface, Granite
    Drain Opening Diameter
    3-1/2 in
    Bowl Configuration
    Single
    ADA Compliant
    No
    Certifications
    cUPC certified
    Material Type
    Quartz
    Supplier Pack Size
    1
    Sold In
    1
    Color/Finish
    Concrete
    Product Type
    Undermount Sink
    Overall Sink Length (Side to Side)
    24-3/8 in
    Overall Sink Width (Front to Back)
    19-1/8 in
    Minimum Cabinet Width Required
    27 in
    Inside Bowl Depth
    9 in
    Inside Bowl Length
    22 in
    Inside Bowl Width
    16-3/4 in
    Installation Method
    Undermount
    Designed for Installation Into
    Quartz, Solid Surface, Granite
    Drain Opening Diameter
    3-1/2 in
    Bowl Configuration
    Single
    ADA Compliant
    No
    Certifications
    cUPC certified
    Material Type
    Quartz
    Supplier Pack Size
    1
    Sold In
    1
    BlackWhiteBrownConcreteGrayBisque
    Karran
    $374.23/Each
    Karran 24-3/8"W x 19-1/8"D Quartz Concrete Single Bowl Undermount Sink - QU-820-CN
    Item# KAQU820-CN / MFR Part # QU-820-CN
    Each
    Each
    In Stock

    Sold In: 1 Each

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