Karran QAR-740 34" Apron-Front Kitchen Sink in White | Extra Large Single Bowl | Undermount Quartz Farmhouse Retrofit
Color: White
Product Details
34 x 21 White Quartz Undermount Kitchen Sink for 36-Inch Cabinets
The Karran QAR-740 in White stands as the ultimate expression of classic kitchen design, combining the timeless appeal of crisp white finish with the advanced performance of engineered quartz technology. This 34-inch undermount farmhouse sink merges 80% natural quartz crystals with premium acrylic resin to create the pristine white surface that has remained the gold standard for kitchen design across decades. Specifically crafted for homeowners who appreciate the enduring beauty of traditional aesthetics combined with modern functionality, this white quartz composite sink delivers the clean, fresh appearance that makes kitchens feel larger, brighter, and more welcoming.
Designed with the retrofit farmhouse configuration that accommodates standard 36-inch sink base cabinets, the QAR-740 White eliminates costly custom installations while providing the spacious 31" x 16¾" x 9" bowl capacity that handles commercial-sized cookware and family entertaining needs. The classic white finish serves as the perfect neutral foundation, effortlessly complementing any countertop material, cabinet color, or hardware finish while maintaining its relevance through changing design trends. This enduring appeal makes white the most versatile and value-preserving choice for kitchen investments.
Non-Porous White Quartz Kitchen Sink: The QAR-740 Advantage
- Timeless White Aesthetic Appeal – White farmhouse sinks rank as the second most popular sink configuration according to National Kitchen and Bath Association trends, offering enduring design relevance that transcends changing styles
- 535°F Heat Resistance Performance – Withstands direct placement of hot cookware from stovetops and ovens without thermal damage, discoloration, or surface yellowing that affects lesser white materials
- 80% Natural Quartz Construction – Provides superior Mohs hardness rating of 7, creating exceptional scratch and impact resistance while maintaining brilliant white color consistency throughout the material
- Non-Porous Antimicrobial Technology – Prevents bacteria growth and odor absorption while eliminating the staining concerns that plague natural white stone materials
- Advanced Sound Dampening Properties – Quartz composite material reduces dishwashing noise by up to 70% compared to traditional ceramic or cast iron white sinks
- Superior Stain Resistance – Dense quartz surface prevents food particles, oils, and acidic substances from penetrating or permanently marking the white finish
- Retrofit Farmhouse Design – 6½-inch apron depth fits standard 36-inch cabinets without requiring expensive farmhouse sink modifications while maintaining authentic apron-front appeal
- Light Reflection Enhancement – White surface maximizes natural and artificial light reflection, making kitchens appear larger and more open than darker alternatives
- Universal Design Compatibility – Classic white pairs effortlessly with any cabinet color, countertop material, or hardware finish, providing unlimited design flexibility
What You Need to Know
Specification | Karran QAR-740 White | Industry Standard |
---|---|---|
Overall Dimensions | 34" L x 21¼" W x 9" D | 33" L x 22" W x 8" D |
Bowl Interior | 31" L x 16¾" W x 9" D | 30" L x 16" W x 8" D |
Material Composition | 80% Natural Quartz | 70% Composite Average |
Heat Resistance | 535°F Maximum | 450°F Typical |
Weight | 44 lbs | 38 lbs Average |
Cabinet Requirement | 36" Standard Base | 39" Custom Base |
Drain Opening | 3½" Standard | 3½" Standard |
UV Stabilization | Complete Protection | Variable Protection |
How This 34-Inch White Quartz Kitchen Sink Works in Different Spaces
The QAR-740 White serves as the perfect foundation for both traditional and contemporary kitchen designs, providing the classic appeal that has made white farmhouse sinks a cornerstone of American kitchen aesthetics. The pristine white finish creates a bright, clean focal point that enhances the overall sense of space while providing the neutral backdrop that allows other design elements to shine. Professional designers consistently choose white as the safest and most versatile option, ensuring the sink enhances rather than limits future design updates or home resale potential.
The generous 9-inch depth accommodates oversized cookware and commercial kitchen tasks while the rear drain placement maximizes cabinet storage space below. Unlike colored alternatives that may become dated, the classic white finish ensures lasting appeal and broad market acceptance. The smooth, non-porous surface maintains its brilliant appearance through daily use while providing the hygienic benefits that make white the preferred choice for professional and home kitchens alike.
Easy Clean White Quartz Kitchen Sink: Why Pros Choose It
Kitchen designers and home improvement specialists consistently recommend the QAR-740 White because it delivers the timeless appeal of classic farmhouse design with the practical benefits of advanced quartz technology. The white finish provides maximum design flexibility, working seamlessly with any color palette while ensuring broad appeal for future home buyers. Unlike traditional ceramic or fireclay white sinks that can chip, crack, or yellow over time, the quartz construction maintains color consistency and structural integrity for decades of reliable performance.
25-Year Performance Guarantee Protects Your Investment
Karran supports the QAR-740 White with a comprehensive 25-year limited warranty covering material integrity, color consistency, and performance characteristics under normal residential use conditions. This warranty protection includes heat resistance performance up to 535°F, non-porous surface properties, and UV stabilization technology that prevents yellowing or discoloration. The coverage begins immediately upon installation without requiring special maintenance procedures, ensuring confidence in this classic investment piece.
Everything You Want to Know About This 34-Inch White Quartz Sink
Q: Will the white finish show stains and marks more than darker colors?
A: The engineered quartz surface resists staining while minor marks clean easily with standard dish soap, and the non-porous material prevents permanent discoloration that affects natural white materials.
Q: How does white quartz compare to traditional white ceramic or fireclay sinks?
A: Quartz provides superior durability, heat resistance up to 535°F, and impact resistance while eliminating the chipping and cracking concerns of ceramic materials.
Q: Does the white finish work with modern kitchen designs?
A: White transcends design styles, working equally well in contemporary, traditional, farmhouse, and transitional kitchens while providing timeless appeal that won't become outdated.
Q: What's the best way to maintain the brilliant white appearance?
A: Daily cleaning requires only soap and water, with occasional use of magic eraser sponges for metal marks and Quartz Sink Conditioner to maintain luster.
Q: Will the white sink make my kitchen look bigger?
A: White surfaces reflect maximum light, creating the illusion of increased space and brightness that makes kitchens feel larger and more open.
Q: How does this white finish handle everyday kitchen use?
A: The 80% quartz construction provides commercial-grade durability while the non-porous surface prevents bacteria growth and maintains hygiene standards.
Q: Is white a good choice for resale value?
A: White sinks offer the broadest appeal to potential buyers and complement any design style, making them a smart investment for home value preservation.
Q: Can the sink handle commercial cooking demands?
A: The 535°F heat resistance and 9-inch depth accommodate professional cookware while the quartz construction meets commercial durability standards.
Color Options
Installation Accessories
Seaming Adhesive
Seam Adhesive in Bisque | Seam Adhesive in Black | Seam Adhesive in Brown | Seam Adhesive in White | Cartridge Mixing Tips
Undermount Clips
Stainless Steel Sink Grid
Protective Sink Grid for QAR-740
Sink Care
Luster Pro Sink Conditioner and Protection
What Homeowners Think of This Large Single Bowl White Sink
The QAR-740 White holds IAPMO certification for residential and commercial applications, ensuring compliance with North American plumbing standards. Karran's reputation for quality manufacturing and color stability spans over two decades, with professional distribution ensuring proper installation support and product availability.
Order This 34-Inch White Quartz Undermount Farmhouse Sink
The Karran QAR-740 White delivers the perfect marriage of classic design appeal and advanced performance technology for kitchens that demand both enduring beauty and reliable functionality. With its brilliant white finish, 535°F heat resistance, and non-porous antimicrobial surface, this sink provides the timeless foundation that enhances any design aesthetic while handling the most demanding culinary tasks. The retrofit farmhouse design ensures compatibility with existing cabinetry while the comprehensive 25-year warranty protects your investment, making it the wise choice for kitchens that prioritize lasting value and universal appeal.
Please be advised that product(s) you’re purchasing may have State of California Prop 65 warnings associated. For more information, go to www.P65Warnings.ca.gov
Downloads
Specifications
Box Quantity | 1 |
Product Type | |
Bowl Size | 31" x 16-3/4" x 9" |
Color | White |
Depth | 9" |
Gauge | |
Left Bowl Size | |
Length | 34" |
Material | Quartzÿ |
Mounting Type | Undermount |
Purpose | Kitchen Sink |
Style | Extra Large Single Bowl |
Right Bowl Size | |
Width | 21-1/4" |






Color: White
Product Details
34 x 21 White Quartz Undermount Kitchen Sink for 36-Inch Cabinets
The Karran QAR-740 in White stands as the ultimate expression of classic kitchen design, combining the timeless appeal of crisp white finish with the advanced performance of engineered quartz technology. This 34-inch undermount farmhouse sink merges 80% natural quartz crystals with premium acrylic resin to create the pristine white surface that has remained the gold standard for kitchen design across decades. Specifically crafted for homeowners who appreciate the enduring beauty of traditional aesthetics combined with modern functionality, this white quartz composite sink delivers the clean, fresh appearance that makes kitchens feel larger, brighter, and more welcoming.
Designed with the retrofit farmhouse configuration that accommodates standard 36-inch sink base cabinets, the QAR-740 White eliminates costly custom installations while providing the spacious 31" x 16¾" x 9" bowl capacity that handles commercial-sized cookware and family entertaining needs. The classic white finish serves as the perfect neutral foundation, effortlessly complementing any countertop material, cabinet color, or hardware finish while maintaining its relevance through changing design trends. This enduring appeal makes white the most versatile and value-preserving choice for kitchen investments.
Non-Porous White Quartz Kitchen Sink: The QAR-740 Advantage
- Timeless White Aesthetic Appeal – White farmhouse sinks rank as the second most popular sink configuration according to National Kitchen and Bath Association trends, offering enduring design relevance that transcends changing styles
- 535°F Heat Resistance Performance – Withstands direct placement of hot cookware from stovetops and ovens without thermal damage, discoloration, or surface yellowing that affects lesser white materials
- 80% Natural Quartz Construction – Provides superior Mohs hardness rating of 7, creating exceptional scratch and impact resistance while maintaining brilliant white color consistency throughout the material
- Non-Porous Antimicrobial Technology – Prevents bacteria growth and odor absorption while eliminating the staining concerns that plague natural white stone materials
- Advanced Sound Dampening Properties – Quartz composite material reduces dishwashing noise by up to 70% compared to traditional ceramic or cast iron white sinks
- Superior Stain Resistance – Dense quartz surface prevents food particles, oils, and acidic substances from penetrating or permanently marking the white finish
- Retrofit Farmhouse Design – 6½-inch apron depth fits standard 36-inch cabinets without requiring expensive farmhouse sink modifications while maintaining authentic apron-front appeal
- Light Reflection Enhancement – White surface maximizes natural and artificial light reflection, making kitchens appear larger and more open than darker alternatives
- Universal Design Compatibility – Classic white pairs effortlessly with any cabinet color, countertop material, or hardware finish, providing unlimited design flexibility
What You Need to Know
Specification | Karran QAR-740 White | Industry Standard |
---|---|---|
Overall Dimensions | 34" L x 21¼" W x 9" D | 33" L x 22" W x 8" D |
Bowl Interior | 31" L x 16¾" W x 9" D | 30" L x 16" W x 8" D |
Material Composition | 80% Natural Quartz | 70% Composite Average |
Heat Resistance | 535°F Maximum | 450°F Typical |
Weight | 44 lbs | 38 lbs Average |
Cabinet Requirement | 36" Standard Base | 39" Custom Base |
Drain Opening | 3½" Standard | 3½" Standard |
UV Stabilization | Complete Protection | Variable Protection |
How This 34-Inch White Quartz Kitchen Sink Works in Different Spaces
The QAR-740 White serves as the perfect foundation for both traditional and contemporary kitchen designs, providing the classic appeal that has made white farmhouse sinks a cornerstone of American kitchen aesthetics. The pristine white finish creates a bright, clean focal point that enhances the overall sense of space while providing the neutral backdrop that allows other design elements to shine. Professional designers consistently choose white as the safest and most versatile option, ensuring the sink enhances rather than limits future design updates or home resale potential.
The generous 9-inch depth accommodates oversized cookware and commercial kitchen tasks while the rear drain placement maximizes cabinet storage space below. Unlike colored alternatives that may become dated, the classic white finish ensures lasting appeal and broad market acceptance. The smooth, non-porous surface maintains its brilliant appearance through daily use while providing the hygienic benefits that make white the preferred choice for professional and home kitchens alike.
Easy Clean White Quartz Kitchen Sink: Why Pros Choose It
Kitchen designers and home improvement specialists consistently recommend the QAR-740 White because it delivers the timeless appeal of classic farmhouse design with the practical benefits of advanced quartz technology. The white finish provides maximum design flexibility, working seamlessly with any color palette while ensuring broad appeal for future home buyers. Unlike traditional ceramic or fireclay white sinks that can chip, crack, or yellow over time, the quartz construction maintains color consistency and structural integrity for decades of reliable performance.
25-Year Performance Guarantee Protects Your Investment
Karran supports the QAR-740 White with a comprehensive 25-year limited warranty covering material integrity, color consistency, and performance characteristics under normal residential use conditions. This warranty protection includes heat resistance performance up to 535°F, non-porous surface properties, and UV stabilization technology that prevents yellowing or discoloration. The coverage begins immediately upon installation without requiring special maintenance procedures, ensuring confidence in this classic investment piece.
Everything You Want to Know About This 34-Inch White Quartz Sink
Q: Will the white finish show stains and marks more than darker colors?
A: The engineered quartz surface resists staining while minor marks clean easily with standard dish soap, and the non-porous material prevents permanent discoloration that affects natural white materials.
Q: How does white quartz compare to traditional white ceramic or fireclay sinks?
A: Quartz provides superior durability, heat resistance up to 535°F, and impact resistance while eliminating the chipping and cracking concerns of ceramic materials.
Q: Does the white finish work with modern kitchen designs?
A: White transcends design styles, working equally well in contemporary, traditional, farmhouse, and transitional kitchens while providing timeless appeal that won't become outdated.
Q: What's the best way to maintain the brilliant white appearance?
A: Daily cleaning requires only soap and water, with occasional use of magic eraser sponges for metal marks and Quartz Sink Conditioner to maintain luster.
Q: Will the white sink make my kitchen look bigger?
A: White surfaces reflect maximum light, creating the illusion of increased space and brightness that makes kitchens feel larger and more open.
Q: How does this white finish handle everyday kitchen use?
A: The 80% quartz construction provides commercial-grade durability while the non-porous surface prevents bacteria growth and maintains hygiene standards.
Q: Is white a good choice for resale value?
A: White sinks offer the broadest appeal to potential buyers and complement any design style, making them a smart investment for home value preservation.
Q: Can the sink handle commercial cooking demands?
A: The 535°F heat resistance and 9-inch depth accommodate professional cookware while the quartz construction meets commercial durability standards.
Color Options
Installation Accessories
Seaming Adhesive
Seam Adhesive in Bisque | Seam Adhesive in Black | Seam Adhesive in Brown | Seam Adhesive in White | Cartridge Mixing Tips
Undermount Clips
Stainless Steel Sink Grid
Protective Sink Grid for QAR-740
Sink Care
Luster Pro Sink Conditioner and Protection
What Homeowners Think of This Large Single Bowl White Sink
The QAR-740 White holds IAPMO certification for residential and commercial applications, ensuring compliance with North American plumbing standards. Karran's reputation for quality manufacturing and color stability spans over two decades, with professional distribution ensuring proper installation support and product availability.
Order This 34-Inch White Quartz Undermount Farmhouse Sink
The Karran QAR-740 White delivers the perfect marriage of classic design appeal and advanced performance technology for kitchens that demand both enduring beauty and reliable functionality. With its brilliant white finish, 535°F heat resistance, and non-porous antimicrobial surface, this sink provides the timeless foundation that enhances any design aesthetic while handling the most demanding culinary tasks. The retrofit farmhouse design ensures compatibility with existing cabinetry while the comprehensive 25-year warranty protects your investment, making it the wise choice for kitchens that prioritize lasting value and universal appeal.
Please be advised that product(s) you’re purchasing may have State of California Prop 65 warnings associated. For more information, go to www.P65Warnings.ca.gov
Downloads
Specifications
Box Quantity | 1 |
Product Type | |
Bowl Size | 31" x 16-3/4" x 9" |
Color | White |
Depth | 9" |
Gauge | |
Left Bowl Size | |
Length | 34" |
Material | Quartzÿ |
Mounting Type | Undermount |
Purpose | Kitchen Sink |
Style | Extra Large Single Bowl |
Right Bowl Size | |
Width | 21-1/4" |