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Undermount 20 in. Glazed Porcelain Trough Bathroom Sink in Biscuit
A perfect addition to any bathroom, the understated elegance of our 20 in. glazed porcelain trough bathroom sink will enhance your personal retreat. Install under your favorite solid-surface countertop to create the look of an integral basin with the benefits of durable vitreous china. Luxe features include an unparalleled glazed finish with a smooth, chip-resistant surface.FEATURES
- Constructed of durable vitreous china porcelain with biscuit finish
- Features an unglazed rim and front overflow
- The gently beveled inner basin prevents water from collecting
- Pop-up drain assembly and faucet not included
- Must be installed under solid surface countertop
SPECIFICATIONS
Product Type: Bathroom Sink Finish: White InstallationType: Undermount Product Width: 20 in. Faucet Holes: 0 Basin Depth: 6 Basin Length: 13 Basin Width: 18 Bowl Shape: Rectangle Color Family: Beige Country Of Origin: China Drain Placement: Rear Material: Vitreous China Minimum Cabinet Size (in): 24 Overflow Drain: Included Overflow Height: 4 Product Height: 7-1/2 in. Product Weight: 20 lbs. Warranty: 1 Year Limited Residential Product Drawing DXF Specification SheetManufacturer Resources
Product Specs
- Basin Depth:
- 6"
- Basin Length:
- 13"
- Basin Material:
- Vitreous China
- Basin Width:
- 18"
- Bowl Shape:
- Rectangle
- Drain Placement:
- Rear
- InstallationType:
- Undermount
- Product Height:
- 7-1/2"
- Product Length/Depth:
- 15"
- Product Weight:
- 20 lbs.
- Product Width:
- 20"
- Warranty:
- 1 Year Limited Residential
- Product Category:
- Bathroom Sink
- Department:
- Plumbing
Cahaba CA425T1813-W – Frequently Asked Questions
1) Can the Cahaba CA425T1813 trough sink be installed in a laminate or tile countertop?
No. The CA425T1813 has to go under a solid surface countertop, and the rim is unglazed because it is never meant to be seen. Laminate and tile edges are not cut or sealed for an undermount basin, so on those tops you need a drop-in or vessel sink instead.
2) What size vanity cabinet do I need for the Cahaba 20 in. trough sink?
Plan on a 24 inch cabinet minimum. The sink itself is 20 inches wide, 15 inches front to back, and 7-1/2 inches tall, so it needs that 24 inch base to clear the mounting rim and leave room for the drain and trap below.
3) Does the Cahaba CA425T1813 sink come with a drain or faucet?
Neither one ships with it. You order the pop-up drain assembly and the faucet separately. Because there are no faucet holes in the basin, the faucet has to be a wall mount or a deck mount drilled into the countertop behind the sink.
4) Where does the drain sit on the Cahaba trough sink, and will it clear the plumbing in my vanity?
The drain is at the rear of the basin rather than centered. That pushes the trap toward the back wall of the cabinet, which usually frees up drawer and storage space in front, but it means your rough-in has to line up with a rear outlet, not a center one.
5) Does this Cahaba undermount sink have an overflow?
Yes, an overflow is included and it is located at the front of the basin, 4 inches up. That matters when you pick the drain: choose a pop-up assembly made for a sink with an overflow, since a non-overflow (grid style) drain will block the overflow channel.
6) Is the Cahaba CA425T1813 durable enough for a multi-family or hotel bathroom?
It is vitreous china porcelain with a glazed, chip-resistant surface, which is the standard material for commercial and multi-family lavatory work because it cleans up with ordinary bathroom cleaners and does not stain. Bear in mind the basin is 6 inches deep with a 13 by 18 inch bowl, so it is sized for handwashing, not for filling buckets.
7) What is the cutout and bowl size for the Cahaba 20 inch trough sink?
The bowl measures 13 by 18 inches with a 6 inch depth, and the sink overall is 20 inches wide by 15 inches front to back. Use the manufacturer's DXF drawing or spec sheet to template the countertop cutout, since an undermount rim needs the opening cut to the basin line, not the outside dimension.
8) Is the Cahaba CA425T1813 sink actually biscuit or white?
The sink is ordered under the White finish option, and the product name calls out Biscuit, with the color family listed as beige. If you are matching an existing set of fixtures, work from the spec sheet color and a physical sample rather than a photo, because biscuit and white read very differently against a stone top.
9) How much does the Cahaba CA425T1813 weigh, and can one person set it?
About 20 lbs. That is a one-man lift, but undermount china still wants a support frame or clips plus silicone while the adhesive cures, because the countertop carries the load once it is set.
10) What shape is the basin on this Cahaba trough lav, and does it drain clean?
Rectangular trough basin with a gently beveled inner floor, which is what keeps water moving toward the rear drain instead of pooling in the corners. It is a squared-off look meant to read like an integral basin once it is under a solid surface top.
How fast can I get the Cahaba CA425T1813-W delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
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Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit,
reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Cahaba CA425T1813-W come with a warranty?
Absolutely. The Cahaba CA425T1813-W is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Cahaba CA425T1813-W?
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