Restaurant 2-Compartment Sink with Dual 18" Drainboards - 72" Type 304 Stainless Steel - Will Call Pickup at 11 US Warehouses
2-Compartment Commercial Sink with Dual 18-Inch Drainboards (72" Overall, 18x18x12 Bowls, Stainless Legs)
This 2-compartment commercial sink runs two full 18 by 18 by 12 inch bowls in line with an 18 inch drainboard on each end, sized for the wash-and-rinse workflow that bar back-of-house, prep stations, and small kitchens use to keep dishes, glassware, and small cookware moving. Overall footprint is 72 inches wide by 23-1/2 inches deep, and 43-3/4 inches tall to the top of the rear backsplash. The entire bowl line, deck, drainboards, and backsplash are formed from one sheet of 18-gauge type 304 stainless steel, fused and polished into a single sanitary unit. Stainless steel legs and sockets with adjustable bullet feet keep the sink stable on uneven kitchen floors.
Both drainboards are creased and angled to direct water back into the bowl line, which keeps the deck cleaner and reduces standing water around the wash zone. Large radius corners both vertically and horizontally make each bowl easy to wipe down, and all exposed welds are ground smooth and polished to blend into the satin finish on the deck. Each bowl ships with a 3.5 inch drain basket included, which is unusual at this price point and saves operators the cost of buying drains separately. The sink ships NSF listed for commercial foodservice use and carries a 90-day workmanship warranty. Faucets are sold separately. This unit may be damaged during standard freight shipping, so pickup is the recommended fulfillment method.
Will call pickup only. Available at 11 US warehouse locations: Los Angeles, San Francisco, Orlando, Chicago, Denver, Dallas, Boston, Newark, Atlanta, Houston, and Cleveland. Need this sink shipped anywhere in the US instead? Order the equivalent BK Resources 2-compartment sink with dual 18-inch drainboards (BKS-2-18-12-18T), which is built for nationwide LTL freight and includes BKDR-4 drains.
Best Use Cases for a 2-Compartment Sink with Dual Drainboards
- Bar back-of-house glassware wash and rinse with dedicated soiled-side and clean-side staging
- Coffee shop and cafe wash stations for milk pitchers, blender jars, syrup carafes, and steam wand cloths
- Pizzeria and sandwich shop pre-rinse and rinse zones for pans, bowls, and small utensils
- Catering and concession kitchens needing a code-compliant 2-bay sink for utensil and cookware washing
- Bakery and pastry production utensil and bowl wash with integrated drying drainboards
- Schools, churches, and community kitchens that handle limited dish duty without a dish machine
- Backup wash line for kitchens with a 3-bay warewashing setup and a separate prep area
- Food truck commissary wash zone for utensils and small pans between service runs
Wash and Rinse Workflow with Integrated Drainboards
The 2-bay sink is the standard manual wash-and-rinse setup for jurisdictions and operations that do not require a dedicated sanitize bowl, or that handle sanitizing in a separate step. Soiled items land on the left drainboard, get washed in the leftmost bowl with hot water and detergent, rinsed in the right bowl with clean hot water, and then air-dry on the right drainboard. The dual 18 inch drainboards on this unit give staff a dedicated soiled-side landing zone and a clean-side air-dry zone without dishes ever crossing back over the wash water.
The drainboards themselves are creased and angled, which means the deck slopes back toward the bowl line so rinse water and any debris drain into the bowls rather than pooling on the work surface or running off the front edge. This keeps the soiled-side drainboard from puddling and protects the clean-side drainboard from runoff during high-volume wash cycles. Confirm whether your local health code requires a 3-bay setup for warewashing before specifying this 2-bay configuration as the primary dish line.
Bowl Capacity and What Fits in 18 by 18 by 12
Each 18 by 18 by 12 inch bowl holds approximately 14 gallons of water at the rim, or about 117 pounds of water at full capacity. In practical terms each bowl will accept a full-size 18 by 26 inch sheet pan on a slight diagonal, two half-size 13 by 18 sheet pans flat, a 12 by 20 hotel pan with room to spare, stockpots up to roughly 16 inches in diameter, and standard bus tubs and gray dish boxes. The 12 inch depth gives enough clearance to fully submerge most prep cookware without water sloshing over the rear backsplash. With two bowls in line, the unit holds approximately 28 gallons of working water across the wash-and-rinse cycle.
One-Piece 18-Gauge 304 Stainless Construction
The bowls, deck, drainboards, and rear backsplash are drawn from a single sheet of 18-gauge type 304 stainless steel. Type 304 is the standard food-grade stainless alloy and offers better corrosion resistance than 430-series stainless used on entry-level sinks. There are no welded seams along the bowl-to-deck transition, so there is no joint for grease, soap residue, or food particles to collect in. All exposed welds at the legs and corners are ground smooth and polished to match the satin finish on the deck. Vertical and horizontal corners are formed with a large radius, which makes each bowl interior easier to wipe down and meets the radius-corner requirements common in NSF and local health code reviews.
Stainless Legs, Sockets, and Working Height
Legs are stainless steel at 22-1/2 inches with stainless steel sockets, an upgrade from the galvanized legs used on entry-level commercial sinks. Stainless legs handle wet floor and detergent splash environments better over the long run and resist the rust streaks that galvanized legs can develop in busy wash zones. Feet are adjustable bullet feet that thread up and down for floor leveling.
The 22-1/2 inch leg standard puts the deck working height at approximately 33-3/4 inches off the floor with the 12 inch bowl, which is the comfortable working height for a 2-bay wash-and-rinse setup. Plan adjacent worktable and drainboard table heights to match.
Faucet Holes, Drain Baskets, and Plumbing Hardware
The rear backsplash is pre-punched for a deck-mount faucet on 8 inch centers behind the bowl line. The standard configuration uses one 8-inch-center faucet positioned to swing across both bowls, which is the typical setup for an 18 by 18 bowl pattern. Faucets are sold separately, which is standard for commercial compartment sinks because operators usually have a preferred spout length, swing radius, and pre-rinse style for the application. A 12 to 14 inch swing spout is a common starting point for a 2-bay sink with 18 inch bowls.
Each bowl ships with a 3.5 inch drain basket included, which is the standard drain size for an 18 by 18 bowl. This is a notable inclusion at this price point and saves operators the cost of buying drains separately. Lever-handle waste valves or rotary-handle drains can be added if the local plumbing code or the operator's preference requires them, but the included basket strainers will satisfy most standard installs.
Specifications
| Specification | Value |
|---|---|
| Model Number | SS1818D21D18 |
| Configuration | 2 compartment with dual 18-inch drainboards |
| Overall Length | 72 inches |
| Overall Depth | 23-1/2 inches |
| Overall Height | 43-3/4 inches (to top of backsplash) |
| Bowl Size | 18 inches L x 18 inches W x 12 inches D (each) |
| Number of Bowls | 2 |
| Drainboards | Dual 18 inch, left and right, creased and angled |
| Working Deck Height | Approximately 33-3/4 inches |
| Material | One-piece 18-gauge type 304 stainless steel |
| Corner Radius | Large radius vertical and horizontal |
| Welds | Ground smooth, polished to satin finish |
| Legs | Stainless steel, 22-1/2 inches, with stainless sockets |
| Feet | Adjustable bullet feet |
| Faucet Holes | Pre-punched, 8-inch centers |
| Faucet | Sold separately |
| Drain Basket | 3.5 inch drain basket included (each bowl) |
| Net Weight | 62.7 lbs |
| Gross Weight | 75.57 lbs |
| Certifications | NSF |
| Warranty | 90 days workmanship |
Installation and Plumbing Notes
This is a freestanding floor-mounted compartment sink, not a wall-hung unit. Position the sink with at least 6 inches of clearance behind the backsplash and adjacent to a floor sink or floor drain so each bowl waste line can air-gap to the floor sink rather than drain directly into the building waste line. An air gap is required by most local plumbing codes for any sink used to wash food contact surfaces or food product, and warewashing lines almost always require an air-gapped indirect waste connection.
Plumbing Rough-In Checklist
- Hot and cold supply lines stubbed within reach of the 8 inch faucet centers behind the bowl line
- Floor sink or hub drain located within the discharge throw of the two 1-1/2 or 2 inch waste tailpieces
- Air gap maintained between each waste tailpiece and the floor sink rim
- Backflow prevention on the supply side per local plumbing code
- Shutoff valves at each supply line for service access
- Hot water capacity sized for sustained wash demand on two bowls
Floor and Clearance Requirements
- Floor must be level enough that bullet-foot adjustment can compensate for variation across a 72 inch run
- Allow side clearance for elbow room and a soiled bus tub on the left, clean rack staging on the right
- Allow front clearance for a worker to stand and lean into each bowl without hitting another fixture
- Plan rear clearance for plumbing service and to keep the backsplash off finished wall surfaces
- 72 inches of usable wall length plus a few inches of side breathing room for installation
Will Call Pickup Locations
This sink is sold as will call pickup only. A 72 inch 2-bay sink is a long, awkward freight unit, and standard LTL carriers tend to bend or dent the drainboards and backsplash during transit. Rather than ship a unit that may arrive damaged, we limit fulfillment to local pickup at 11 US warehouse locations. Buyers within reasonable driving distance of any of these warehouses can pick up directly. Buyers outside that radius should order the BK Resources nationwide-shipped equivalent linked above.
11 Warehouse Pickup Cities
- Los Angeles, California
- San Francisco, California
- Orlando, Florida
- Chicago, Illinois
- Denver, Colorado
- Dallas, Texas
- Boston, Massachusetts
- Newark, New Jersey
- Atlanta, Georgia
- Houston, Texas
- Cleveland, Ohio
Need It Shipped Anywhere in the US? Order This Instead
The BK Resources BKS-2-18-12-18T 2-compartment sink with dual 18-inch drainboards is the closest direct equivalent built for nationwide LTL freight delivery. It uses the same 18 by 18 by 12 inch bowl size with dual 18 inch drainboards and lands at a similar overall footprint. The BK version steps up to T-304 stainless steel with rounded corners, includes BKDR-4 drain hardware, and is engineered with reinforced backsplash for freight handling. If you need this sink shipped to a job site, a buildout, or a city outside our 11 pickup locations, that is the one to order.
Frequently Asked Questions
What does the D18 in SS1818D21D18 stand for?
The D18 indicates dual 18 inch drainboards, one on each end of the bowl line. The 21 indicates a 2-compartment sink. So SS1818D21D18 is a 2-bay sink with 18 by 18 by 12 inch bowls and dual 18 inch drainboards.
How is this different from SS1818D21N?
SS1818D21D18 is 72 inches wide with two 18 inch drainboards. SS1818D21N is 41 inches wide with no drainboards. Both use the same two 18 by 18 by 12 inch bowls in 18-gauge type 304 stainless steel. Choose SS1818D21D18 when integrated drainboards are required for the wash-and-rinse workflow.
Is a 2-compartment sink code-compliant for warewashing?
It depends on local health code. Many jurisdictions require a 3-bay sink for manual warewashing of food contact surfaces. A 2-bay sink is commonly used for utensil washing, prep, glassware rinse, and operations where a separate sanitize step happens elsewhere. Confirm specific requirements with the local health authority for the jurisdiction.
Why does this sink have stainless legs instead of galvanized?
Stainless legs and sockets handle wet floor and detergent splash environments better than galvanized legs over the long run. They resist the rust streaks that galvanized legs can develop in busy wash zones and match the food-grade alloy of the bowl line.
What is type 304 stainless steel?
Type 304 is the standard food-grade stainless steel alloy used in commercial foodservice equipment. It offers strong corrosion resistance against acidic foods, detergents, and sanitizers, and is the alloy specified in most commercial sink standards.
Are drains included?
Yes. Each of the two bowls ships with a 3.5 inch drain basket included. Faucets remain sold separately.
Why is this sink will call only?
A 72 inch 2-bay stainless sink is awkward for standard LTL freight and tends to arrive bent or dented along the drainboards or backsplash. Rather than ship a unit that may arrive damaged, we limit this product to local pickup at 11 US warehouses. The BK Resources equivalent is engineered for freight.
Can I drive to a pickup location from out of state?
Yes. Buyers regularly drive to the closest warehouse, especially for 2-bay sinks where freight risk is high. Confirm pickup hours and bring a vehicle large enough to accept a 72 inch by 23-1/2 inch crated unit, which typically requires a cargo van, box truck, or open trailer.
How many faucets do I need?
Most operators run a single swing spout faucet on 8 inch centers that reaches across both bowls. The pre-punched faucet holes are positioned to support that setup. Operators who want a dedicated faucet per bowl can choose to add additional faucet holes, but this is uncommon for an 18 by 18 bowl pattern.
What is the working deck height?
Approximately 33-3/4 inches off the floor with the 22-1/2 inch stainless legs and standard bullet-foot extension. Adjust the bullet feet to fine tune for floor variation across the 72 inch run.
Is this sink NSF certified?
Yes. The unit is NSF listed for commercial foodservice use and meets the radius-corner and one-piece sanitary construction requirements common in health code reviews.
What size faucet should I order?
The backsplash is pre-punched on 8 inch centers, so order a deck-mount commercial faucet with 8 inch centers and a swing spout long enough to reach across both bowls. A 12 to 14 inch swing spout is a common starting point for a 2-bay sink with 18 inch bowls.
How much does the sink weigh?
Net weight is 62.7 pounds and gross crated weight is 75.57 pounds. Two people are required to safely move and set the sink during install. Plan for at least three people to walk a 72 inch crate through standard doorways.
What is the warranty?
90 days on workmanship. Faucets and other separately purchased components carry their own manufacturer warranties.