Maximum Counter Space, Minimum Footprint Compromise
The Karran WS-90 is a 45-inch, single-bowl undermount workstation kitchen sink built for kitchens where counter real estate matters and prep volume is high. It belongs to Karran's 16-gauge Elite Workstation series and arrives as a complete kit with the accessories needed to turn the integrated ledge into a functioning prep and drying zone from day one.
Key Features
• 45-inch single-bowl footprint delivers an uninterrupted basin that handles full-size sheet pans, large cookware, and volume washing without a center divider in the way.
• 16-gauge Type 304 stainless steel construction gives the bowl noticeably greater rigidity and sound dampening than lighter 18-gauge alternatives.
• Integrated workstation ledge runs along the bowl rim so cutting boards, colanders, and drying accessories slide directly over the basin rather than occupying counter space.
• Undermount installation positions the sink beneath the countertop for a clean counter edge and a wipe-straight-in surface for crumbs and liquids.
• Elite Workstation kit includes the model's stated accessory set, so the prep station is functional without a separate accessory order.
• 10-inch bowl depth keeps tall pots and pitchers fully contained and reduces splashback during heavy use.
Where the Extra Width Earns Its Place
At 45 inches wide, the WS-90 is one of the widest single-bowl workstation sinks in Karran's Elite line, and the single-bowl configuration is the point. A divider would split that span into two mid-size basins. Without one, the full interior is available for soaking a roasting pan, washing a full sheet tray, or staging a large batch of produce. The workstation ledge above the bowl keeps prep tools within arm's reach and out of the countertop workspace. Sliding the cutting board or colander directly over the basin means prep debris and rinse water go straight down, not across the counter.
The 10-inch depth reinforces this workflow. Tall stock pots sit fully inside the bowl, and water stays where it belongs. For high-volume cooking households, caterers finishing installs in residential kitchens, or cabinet shops building out a shop kitchen, the WS-90's proportions match the workload.
16-Gauge Steel and the Undermount Build
The WS-90's 16-gauge construction is specific to Karran's Elite Workstation series. The thicker steel resists the flex and drumming that lighter-gauge sinks develop over years of daily use, and it holds its shape through aggressive temperature swings between hot and cold water. The stainless finish is a brushed satin that conceals everyday water marks and light scratches better than a polished surface and coordinates with most stainless appliances without demanding an exact match.
Undermount installation takes the sink below the countertop surface, leaving a smooth, uninterrupted counter edge that is easy to wipe clean. No rim sits above the surface to catch crumbs or interrupt the counter run. This mounting style suits quartz, granite, and solid surface countertops. Installation is recommended for a professional fabricator given the sink's size and the countertop work involved.
Right Sink for the Right Kitchen Build
The WS-90 is sized for a wide sink base, and the cabinet run and countertop support need to be planned around a 45-inch opening. It fits best in large kitchen remodels where the designer has already allocated a full-width sink run, in custom shop kitchens where the cabinet layout starts with this sink, or in commercial-adjacent residential installs where daily use volume justifies a pro-grade prep station. It is an indoor sink intended for standard household plumbing. Designers specifying for accessible layouts should verify installation height and clearance requirements independently.
What accessories are included with the WS-90-PK1?
The WS-90 is sold as a -PK1 kit. Karran's Elite Workstation series lists an extended accessory set for this model. Confirm the exact included components — which may include a grid, cutting board, colander, drying rack, and additional prep accessories — against the current Karran spec sheet for the WS-90 before ordering, as the set for this extra-large model differs from smaller Elite Workstation packs.
Does this sink require a special cabinet?
Yes. A 45-inch single-bowl sink needs a base cabinet and countertop run planned to accommodate that opening. Standard sink base cabinets do not span this width, so the cabinet configuration needs to be designed around the WS-90 from the start rather than adapted after the fact.
Is the faucet included?
No. The WS-90-PK1 is a sink kit, not a PK2 pack. A faucet is purchased separately. The sink has no integrated faucet deck, so the faucet mounts through the countertop.
Can workstation accessories from other Karran models fit the WS-90?
Workstation accessories in Karran's line are sized to specific model families and ledge widths. Use accessories confirmed for the WS-90 or the Elite Workstation series; do not assume accessories from quartz workstation or Hex-Steel models will span or seat correctly on this ledge.
A Prep Station Built Around the Work, Not the Other Way Around
The WS-90 gives serious kitchen builders an undermount workstation sink proportioned for high-volume cooking — a basin large enough to do the work, steel thick enough to hold up to it, and a ledge system that keeps prep organized without stealing counter space.
