Upgrade your kitchen setup with the Nantucket Sink 3.5EDF Extended Flange Disposal Kitchen Drain, engineered specifically to accommodate thicker sink installations like fireclay models. Designed for homeowners and renovators seeking a seamless transition between a deep sink basin and a standard garbage disposal, this solid brass accessory combines everyday durability with refined style. Enjoy a cohesive look that ties your entire workstation together while ensuring a secure, reliable connection beneath the basin.
Crafted to fit sinks up to 1.75 inches thick, this extended flange works smoothly with major garbage disposal brands featuring a 3.375-inch inner diameter and a three-mount bolt configuration. Whether you are replacing a worn-out component during a quick refresh or completing a brand-new kitchen remodel, it provides the precise reach and mechanical stability needed for thick-walled basin designs.
Selecting the right finishing touches makes all the difference in a well-designed kitchen, and this drain component bridges the gap between utility and visual appeal. With available finishes designed to coordinate with your existing fixtures, it offers a polished, professional finish that elevates the details of your kitchen sink area.
Perfect For
Kitchen remodels featuring thick fireclay sinks
Homeowners installing a new garbage disposal
Upgrading worn or outdated kitchen sink drains
Matching existing brushed stainless fixtures
Coordinating with deep oil rubbed bronze hardware
Kitchens requiring a secure 3-bolt disposal connection
Extended Collar Designed specifically to fit fireclay applications and compatible garbage disposals.
Disposer Compatibility Built for disposers featuring a 3-3/8 inch inner diameter and 3-bolt mounting system.
Sink Thickness Support Fits thick-walled sinks measuring up to 1-3/4 inches deep.
Coordinated Finishes Available in brushed stainless or deep oil rubbed bronze to match your kitchen fixtures.
Professional Recommendation Designed with professional installation in mind for a secure, leak-free fit.
Understanding Extended Flange Engineering for Thick Sinks
When installing a garbage disposal on a traditional stainless steel sink, standard drain flanges work effortlessly because the metal is thin. However, fireclay sinks feature significantly thicker basin walls, often measuring over an inch. Think of it like trying to thread a bolt through a thick wooden beam instead of a thin sheet of paper; a standard screw simply will not reach. The Nantucket extended flange provides the necessary barrel length to span this extra depth, allowing the mounting assembly underneath to lock securely into your garbage disposal unit without slipping or creating gaps.
Installation Guide
Verify that your sink thickness does not exceed 1.75 inches before beginning installation.
Confirm your garbage disposal features a 3-3/8 inch inner diameter and a 3-bolt mounting configuration.
Apply plumber putty or a manufacturer-recommended silicone sealant evenly beneath the flange rim to ensure a watertight seal against the sink basin.
Tighten the mounting bolts evenly under the sink to distribute pressure uniformly and prevent tilting.
Professional installation is recommended to ensure proper alignment and prevent damage to delicate fireclay basin materials.
Care & Maintenance
Routine Cleaning Wipe the flange surface daily with a soft, damp cloth and mild dish soap to remove food residue.
Avoid Abrasives Never use harsh scouring powders, steel wool, or abrasive pads that can scratch the finish.
Chemical Caution Keep harsh drain cleaners and chemical solvents away from the visible metal surfaces to preserve the finish color.
Dry After Use Periodically dry the flange with a soft towel to prevent water spots, especially in hard water areas.
Check Connections Periodically inspect the underside mounting bolts during routine kitchen maintenance to ensure they remain snug.
FAQ
Q: What is the maximum sink thickness this drain can accommodate?
A: This extended flange is designed to fit sinks up to 1.75 inches thick.
Q: Is this drain compatible with all garbage disposals?
A: It is made to fit most brands of garbage disposals that feature a 3.375-inch inner diameter and a 3-mount bolt system.
Q: What material is the flange made from?
A: The flange is constructed from solid brass for reliable strength and durability.
Q: Can I use this with a fireclay sink?
A: Yes, the extended collar is specifically engineered to fit fireclay applications and other thick-walled sink designs.
Q: What finish options are available?
A: It is available in brushed stainless and deep oil rubbed bronze finishes.
Q: Does this include the garbage disposal unit?
A: No, this product is an extended flange and drain accessory designed to connect to your existing or newly purchased garbage disposal.
Q: Is professional installation required?
A: While DIY installation is possible for experienced homeowners, professional installation is recommended.
Q: What size is the drain opening?
A: This accessory is designed for standard 3.5-inch kitchen sink drain openings.
What Customers Are Saying
A homeowner in Chicago, Illinois needed a reliable drain solution after installing a thick fireclay apron-front sink with a garbage disposal.
Finding a drain flange that was long enough to reach through the thick fireclay walls was a challenge until we found this extended disposal flange. It connected perfectly to our existing disposal and matched our faucet finish precisely.
Sarah Jenkins - Homeowner
Successfully completed thick-sink garbage disposal installation without leaks or alignment issues.
This extended flange was a lifesaver for our thick fireclay sink installation. It fit our disposal perfectly.
Mark Taylor | Kitchen Designer
The brushed stainless finish matches our faucet spot-on. Solid brass construction feels very high quality.
Elena Rostova | Homeowner
Worked well with our garbage disposal. Make sure to check your sink thickness before ordering, but it was just right for us.
David Chen | Contractor
A simple component that solved a major headache during our kitchen remodel. Highly recommended for thick sinks.
Rachel Adams | Interior Stylist
The oil rubbed bronze finish looks stunning against our white fireclay basin. Very sturdy and well made.
James Wilson | Property Developer
Completing Your Kitchen Workstation with Precision Hardware
When planning a kitchen sink installation, attention to detail is essential for long-term reliability and seamless daily performance. While attention often centers on the main basin and faucet, supporting hardware like the drain flange plays a critical role in preventing leaks and maintaining structural integrity under the sink. Choosing a solid brass component ensures that the high-stress connection between your heavy fireclay sink and your garbage disposal remains rigid, stable, and resistant to vibration over years of daily culinary preparation and cleanup tasks.
Investing in matching hardware finishes also contributes to a cohesive design language throughout the space, eliminating mismatched metal tones that can disrupt the visual flow of your kitchen. By selecting components engineered specifically for thick-walled sink applications, you eliminate the alignment frustrations and installation setbacks common with standard parts. This thoughtful approach to hardware selection supports a smooth, stress-free remodeling experience and ensures your kitchen workstation functions as beautifully as it looks.
Why This Is the Right Choice
Solid Construction Engineered with a solid brass core to provide reliable, long-lasting performance beneath your kitchen sink.
Extended Reach Specifically sized to bridge the gap on thick fireclay basins where standard drain flanges fall short.
Broad Compatibility Works seamlessly with major garbage disposal brands utilizing a standard 3-bolt mounting setup.
Coordinated Aesthetic Finishes blend smoothly with your existing kitchen faucets and hardware for a unified look.
