Top 10 Best island tub drain in 2026

Last Updated - 6/20/2026

🏆Best Choice

Noarixa

Freestanding Tub Drain Rough-in Kit, Bathtub Drain Kit with PVC Plastic Adapter and Brass Tail Pipes, Compatible with Freestanding Bathtub, Floor Mounted Bathtub and Copper Bathtub

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•【Compatible With】 : Freestanding Tub Drain Rough-in Kit is suitable for all freestanding bathtubs, floor bathtubs and island bathtubs, stable installation on wood, cement, tile and concrete.
•【Sturdy Drop-in Drian】: Drain Rough-in Kit is secured between the subfloor and surface tiles for added security and stability. The Test/Dustproof Cap not only protects the drain pipe during construction but also performs multiple air pressure testing.
•【High-Quality】: The durable brass tube adds stability and safety of bathtub installation, effectively prevents water backflow and potential odor, Blue Protection Cover-to prevent cement and masonry from falling in before installation is completed.
•【PVC Adapter Provided】: PVC Plastic Adapter attaches Rough-in to PVC bath wastes for quick, easy and clean installation.Built-in snap off Test Cap allows for water/air testing.
•【Packing Includes】: Drain Body, Fine Threaded Tailpiece, Flanged Tailpiece, PVC Adapter, Brass Nut, Screws & Anchors Set, 2" to 1½" Drainage Adapter, Poly Gasket, Protective Film Cover, Instructions.

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$49.99

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MUDGUD

ABS Freestanding Tub Drain Kit, Bathtub Drain Rough-in Kit，Compatible with Freestanding Bathtubs, Floor Mounted Bathtubs and Island Bathtubs, with ABS Plastic Adapter and Brass Tail Pipes

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•Freestanding Tub Drain Kit: Works with all freestanding bathtubs, floor mounted bathtubs and island bathtubs. Stable installation on different materials such as wood, cement, tile and concrete.
•Long Lasting Materials: Sturdy brass tubes add stability and safety to the installation of the bathtub, effectively preventing water backflow and potential odors, ABS plastic adapter attaches to the tub drain for quick and easy installation.
•Upgraded Design: Built-in snap off Test Cap allows for water/air testing. Blue Protection Cover-to prevent cement and masonry from falling in before installation is completed. 2" to 1½" Drainage adapter, standard US plumbing connector fits perfectly in a 1½" or 2" p-trap.
•Recommended For: For plumber/remodeling contractor/builder/DIY person to install on Freestanding Bathtub, simple installation and easy drainage.
•Package Including: Drain Body, Protective Film Cover, PVC Adapter, Fine Threaded Tailpiece, Flanged Tailpiece, Brass Nut, Screws & Anchors Set, 2" to 1½" Drainage Adapter, Poly Gasket

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$44.81

$59.99

-25%

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MUDGUD

PVC Freestanding Tub Drain Kit, Bathtub Drain Rough-in Kit，Compatible with Freestanding Bathtubs, Floor Mounted Bathtubs and Island Bathtubs, with PVC Plastic Adapter and Brass Tail Pipes

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•Freestanding Tub Drain Kit: Works with all freestanding bathtubs, floor mounted bathtubs and island bathtubs. Stable installation on different materials such as wood, cement, tile and concrete.
•Long Lasting Materials: Sturdy brass tubes add stability and safety to the installation of the bathtub, effectively preventing water backflow and potential odors, PVC plastic adapter attaches to the tub drain for quick and easy installation.
•Upgraded Design: Built-in snap off Test Cap allows for water/air testing. Blue Protection Cover-to prevent cement and masonry from falling in before installation is completed. 2" to 1½" Drainage adapter, standard US plumbing connector fits perfectly in a 1½" or 2" p-trap.
•Recommended For: For plumber/remodeling contractor/builder/DIY person to install on freestanding bathtub, simple installation and easy drainage.
•Package Including: Drain Body, Protective Film Cover, PVC Adapter, Fine Threaded Tailpiece, Flanged Tailpiece, Brass Nut, Screws & Anchors Set, 2" to 1½" Drainage Adapter, Poly Gaske

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$44.81

$59.99

-25%

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LHUKSGF

Freestanding Tub Drain Rough-in Kit, Bathtub Drain Kit with PVC Adapter and Brass Tail Pipes, Compatible with Free Standing Bathtubs, Copper Bathtub and Floor Mounted Bathtub

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•【Compatible With】 : Our Freestanding Tub Drain Kit is suitable for all freestanding bathtubs, floor bathtubs and island bathtubs, stable installation on wood, cement, tile and concrete.
•【PVC Adapter Provided】: PVC Plastic Adapter attaches Rough-in to PVC bath wastes for quick, easy and clean installation.Built-in snap off Test Cap allows for water/air testing.
•【Easy to Install】The freestanding tub drain rough-in kit is quick and easy to install, and it is easy to drain. Even one person can easily complete it, which saves time, energy and labor costs
•【Excellent Quality】The freestanding tub drain installation kit is made of high-quality alloy materials. The durable brass pipe enhances stability and can effectively prevent backflow and leakage
•【Packing Includes】: Drain Body, Fine Threaded Tailpiece, Flanged Tailpiece, PVC Adapter, Brass Nut, Screws & Anchors Set, 2" to 1½" Drainage Adapter, Poly Gasket, Protective Film Cover, Instructions.

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$39.99

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Oatey

Oatey 46000P PVC Universal Freestanding Tub Drain Kit

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•UNIVERSAL DESIGN: Universal drain kit for freestanding/island center and offset tubs, ideal for renovations with limited access or installations on slabs; compact size offers design flexibility as the drain fits into 8 in., 10 in., and 12 in. joists, requiring only a 4 in. opening
•ALL IN ONE: Everything needed for quick, easy freestanding tub drain install; eliminates "stub out" method and need for access below the floor, reducing time for and simplifying rough-in installation between P-trap and tub
•EASY TO INSTALL: Once the connection has been made between the DWV system, drain body and subfloor, the tub can be dropped in with no additional steps required; high visibility protective cap keeps tile from being installed over the open drain and can be easily removed with or without tongue-and-groove pliers and a screwdriver
•HIGH QUALITY: Plastic PVC construction with a one-piece design, compatible with brass or Schedule 40 tailpieces; pre-installed, tool-free 1/4-turn test plug allows for testing up to 40 ft. of head; solvent welds directly to a 1-1/2 in. or 2 in. Schedule 40 drain pipe using the included adapter and Oatey cement and primer (sold separately)
•INCLUDES: Freestanding tub drain body, quarter-turn test plug, protective cap, 1-1/2 in. x 8 in. flanged brass tailpiece, 1-1/2 in. x 8 in. threaded brass tailpiece, slip joint nut, slip joint washer, 1-1/2 in. PVC Sch. 40 threaded tailpiece adapter, 1-1/2 in. x 2 in. PVC Sch. 40 adapter, cutout template, lubricant

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$75.26

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Wowewk

Freestanding Tub Drain Rough-in Kit,Bathtub Drain Kit with Brass Tail Pipe and ABS Plastic Adapter, compatible with all freestanding bathtubs,Floor Mounted Bathtub and Copper Bathtub

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•【 Compatible】bathtub drain and overflow kit fits for freestanding bathtub, standard bathtub, floor mounted bathtub, freestanding bathtub, freestanding bathtub.
•【 Prevents Water Backflow】The freestanding bathtub blank kit tightly connects the bathtub and the floor, and the durable brass pipe increases the stability and safety of the bathtub installation, effectively preventing water backflow and potential odor.
•【 High Quality】The bathtub drain kit adopts a solid stainless steel and ABS structure, and the durable and sturdy materials ensure that the overflow kit can work for many years. The drain pipe blank kit is fixed between the subfloor and the surface tile to ensure safety and stability. The protective membrane cover is tested with multiple air pressure tests to protect the drain pipe during construction,
•【 Accessories Description】1 Built-in removable test cover for water/air testing; ② Blue protective cover-prevents cement and masonry from falling before installation is completed; ③ 2-inch to 1½-inch drain adapter, standard US pipe connector perfectly fits 1½-inch or 2-inch p Type water trap.
•【After-sales】We value your satisfaction and are committed to providing high-quality services. If you have any suggestions or questions about Wowewk, please contact us and we will always be here to help.

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$48.99

$59.99

-18%

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OS&B

+OSB Island Tub Drain Rough-in for Freestanding Bathtub, Simplifies Installation, Water, Air, and Smoke Testable Tub Drain, Designed for 8"/10" Joist Space, Plumbing Supplies (ITD5135 - PVC)

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•EASY INSTALLATION: Make bathroom installations simpler with the PVC Island Tub Drain Rough-in from OS&B. Supplied with all the necessary components to ensure seamless installation, it is the perfect combination of convenience and functionality.
•LOW-PROFILE DESIGN: Crafted with an asymmetrical deck plate, this tub drain will not interfere with a freestanding faucet rough-in. Easier installation in tight areas: install in an 8"/10" joist space with a 1-1/2"/2" P-trap or slab on grade construction.
•BUILT TO LAST: The tub drain features a PVC body for durability. Enabling the freestanding tub location to be defined at rough-in (install before tiling), it allows for tub fitting over a finished floor (access below the fixture is not needed).
•Built with a snap-off test cap (rated to 30 psi), it enables water, air, and smoke testing. The bathtub drain has a 2" DWV hub connection, while the epoxy-coated, 18-gauge metal deck flange features holes to lock in thinnest.
•BATHTUB DRAIN KIT: The tub drain rough-in includes a flanged brass tailpiece, a PVC adapter kit (that helps attach to PVC bath wastes), a 2" x 1-1/2" PVC reducing bushing, a mortar/tile guard, an island drain assembly, and a cutting template.

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$102.92

$110.99

-7%

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Borroommn

Freestanding Tub Drain, Freestanding Bathtub Drain With PVC Adapter And Brass Pipes, Connects To 1-1/2”And 2” PVC Drains, Freestanding Tub Drain Kit For All Freestanding Bathtubs

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•【Widely applicable】：Our new freestanding bathtub rough-in kit drain the bottom of the bathtub using a 1- 1/2 inch brass pipe, and we offer PVC adapters, threaded brass tubing, and flanged brass tubing, freestanding tub drain kit are suitable for all freestanding bathtubs.
•【Two kinds of pipes】：Freestanding bathtub drain carries a 1- 1/2 x 2-inch PVC adapter, so we can connect 1-1/2-inch pipes or 2-inch pipes.
•【Corrosion and rust resistant】：This is a corrosion and rust resistant, durable freestanding tub drain. It can be stably installed on wood, concrete and tiles, which can effectively prevent water backflow and prevent odor.
•【Easy installation】：The free standing tub drain installation takes only a few minutes. We will provide detailed installation instructions to help you complete your free standing tub drain kit installation.
•【Quality after-sales service】：If you encounter any problems during use, please feedback to us by email in time, we will provide you with free technical support for freestanding bathtub drain kit to make sure you have no worries.

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$48.99

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GOOBETTER

GOOBETTER PVC Freestanding Tub Drain Rough-in Kit, Bathtub Drain Kit for Island Bathtubs, PVC Plastic Adapter and Brass Tail Pipes, Compatible with Free Standing Tub Drain, Floor Mounted Bathtubs

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•Heavy-Duty PVC Construction & Effortless Installation: PVC plastic adapters are more durable. The supplied PVC plastic adapter connects the thick pipe to the PVC bathtub drain for quick, easy and clean installation
•Solid Metal Surface: Brass tailpiece, nuts, metal screws and anchor sets increase the stability and safety of the bathtub installation, preventing water backflow and odors
•Test & Dustproof Cap: Comes with a blue protective cover that prevents concrete and masonry from falling in until installation is complete. Snap-on test cap allows for water, air and smoke testing. After completing the test, remove the test cap (if applicable)
•Compatibility & Wide Application: The PVC bathtub drain kit is suitable for all freestanding bathtubs, floor standing bathtubs and island bathtubs. Bathroom drainage kit can be used on concrete, concrete mix, wood, tile and other floors
•Tub Drain Kit Includes: Drain Body, Poly Gasket, Protective Film Coverl, Flanged Tailpiece, Fine Threaded Tailpiece, 2" to 1½" Drainage Adapter of Floor, 1½" PVC Adapter of Tailpiece, Brass Nut, Plumbers Tape, Screws & Anchors, Instructions

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$39.99

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Aarcinhke

Freestanding Tub Drain Rough-in Kit, Bathtub Drain Kit with PVC Plastic Adapter and Brass Tail Pipes, Compatible for Freestanding Bathtub, Floor Mounted, Copper Bathtub

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•【Multi scene compatibility】: The Freestanding Tub Drain Rough-in Kit is suitable for all freestanding bathtubs, floor bathtubs, and island bathtubs, and can be stably installed on wooden, cement, tile, and concrete floors.
•【Embedded Drainage System】: The Drain Rough in Kit adopts a double-layer fixed structure, embedded between the base floor and the decorative surface layer, which can provide physical protection for the pipeline mouth and effectively ensure the sealing performance of the pipeline system.
•【Excellent Craftsmanship】: High strength brass pipes ensure stable structure, with built-in anti backflow devices to eliminate odor hazards; The blue protective cover accurately isolates construction debris and ensures the clean installation of pipelines throughout the process.
•【PVC Adapter】The PVC connector enables quick connection between the pre embedded interface and the bathtub drain, with a modular and quick release test cover design that is compatible with water/air pressure dual seal detection, ensuring installation reliability.
•【Packing Includes】:Package Including: Drain Body, Protective Film Cover, PVC Adapter, Fine Threaded Tailpiece, Flanged Tailpiece, Brass Nut, Screws & Anchors Set, 2" to 1½" Drainage Adapter, Poly Gaske

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$35.99

$37.99

-5%

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