Contact us for current availability and an estimated lead time before ordering.
Check availability & lead time
Kohler 3840-1-NA Vault 15" top-/undermount bar sink
Entertain in style with the dual-mount KOHLER® Vault bar sink. Handcrafted from premium quality stainless steel, this square sink is ideally sized for prepping drinks and appetizers, rinsing vegetables, and drying glassware. When installed as a top-mount sink, Vault offers an ultra-flat rim that makes it easier to wipe from the countertop directly into the...
Entertain in style with the dual-mount KOHLER® Vault bar sink. Handcrafted from premium quality stainless steel, this square sink is ideally sized for prepping drinks and appetizers, rinsing vegetables, and drying glassware. When installed as a top-mount sink, Vault offers an ultra-flat rim that makes it easier to wipe from the countertop directly into the bowl. An included bottom sink rack helps prevent scratches and keeps the finish looking new for longer. Pair this bar sink with other Vault sinks to bring a contemporary vibe to your kitchen.
Features
- 18" (457 mm) minimum base cabinet width
- Single bowl
- 9" (229 mm) depth provides generous workspace
- Single faucet hole
- Box includes: Sink, installation hardware, cutout template
- Single-hole faucet drilling
Product details
- Material: Stainless Steel
- Product type: Bar Sinks
- Shape: Square
- Style: Contemporary
- Installation: Top-mount, Undermount
- Application: Residential
- Warranty: KOHLER® Stainless Steel Sinks Lifetime Limited Warranty
- Overall dimensions: Width: 15 in; Height: 9.313 in; Length: 15 in
- Finish: Stainless Steel
Codes & standards
- Certifications / compliance: ADA, ASME
- ASME / CSA standard: ASME A112.19.3/CSA B45.4
Resources
Choose options

Helpful information
Everything to check before you order
Review availability, what’s included, additional parts, support and manufacturer documents before ordering.
- Brand
- Kohler
- Model / SKU
- 3840-1-NA
What’s included
See the product description and manufacturer documents for package contents. Need to confirm a specific item? Contact us before ordering.
You may also need
Some installations need additional parts such as a valve, rough-in, drain, seat or mounting hardware. Check the manufacturer documents or contact us and we’ll help confirm what your installation requires.
Parts, repair & warranty
- Replacement parts
- Replacement parts may be available for this model. Contact us with the model number and the part you need.
- Service & repair
- Faucetera+ does not provide installation or repair labour. We can help you find manufacturer support information.
- Care & repair information
- Manufacturer care, maintenance and repair information is provided when available. Contact us if you need help finding it.
Nothing here limits any rights or legal warranties that apply to your purchase.
Information for Quebec customersBefore installation: Confirm the product, finish and required parts are right for your project, then review return eligibility.
Return policy