EFI SI821-1B – 66″ One-Compartment Corner-Drain Sink – Left & Right Drainboards

EFI SI821-1B – 66″ One-Compartment Corner-Drain Sink – Left & Right Drainboards

$885.00 $708.00
EFI
Add to WishlistCompare

Standard Features

  • 18-gauge Type 304 stainless-steel construction
  • Coved corners and die-stamped surfaces for drainage
  • TIG-welded construction with blended satin-finish seams
  • 1 sink compartment
  • Corner-drain guard, overflow pipe and drain extension included
  • 2 integral drainboards
  • NSF certified
  • Overall dimensions: 66″ W × 26.5″ D × 44.5″ H
Warranty Protection
1-Year Parts & Labor Warranty
CAShips From Canada
CACanadian Support (416) 783-5907
NSF Certified
NSF Certified
Commercial sanitation standard

Why Buy From Us

  • Authorized Commercial Equipment Supplier
  • Fast Shipping Across Canada
  • Support Beyond Checkout
Ask a Question
SKU: EFI SI821-1B
Availability: In Stock Pre order Out of stock
Warewashing Faucets & Sinks • Canada Commercial Sales

Commercial Product Overview

Best for restaurants needing reliable warewashing performance, sanitation confidence, and correct installation fit.
Built for Canadian foodservice teams that plan warewashing by workflow, the EFI SI821-1B is a 66-inch-wide corner-drain compartment sink in 18-gauge Type 304 stainless steel. This one-compartment model combines one 18 x 21 in. bowl, 14 in. deep, with drainboards on both sides. It is a straightforward commercial solution for teams that value durable materials and an intentional flow direction.

Buyers should verify the specifications on this page to confirm dimensions, requirements, and installation compatibility prior to ordering.

Specifications FAQ
Brand: EFIModel: SI821-1BCategory: Warewashing Faucets & Sinks
Commercial Grade Built for Daily Use Canada-Wide Sales
Spec-first confidence: verify fit, requirements, and compatibility before ordering.
Commercial intent: equipment listed for professional foodservice environments.
Ordering tip: match doorway/service access and confirm connections/clearances.
Sanitation Ready

Built for cleaner back-of-house workflow and commercial sanitation routines.

Water / Drain Fit

Drain: 1 7/8 in.

Service Workflow

Designed for dependable use in busy dish rooms and prep areas.

Commercial Build

Durable construction supports long-term professional foodservice use.

Key Specifications

Essential fit, capacity, utility, and certification details.

View all specifications
ModelSI821-1B
Fit CheckW 66 in × D 26.5 in × H 44.5 in
CertificationsNSF Certified
Key Benefits
Decision points for commercial buyers
  • 66-inch overall width and 1-compartment layout identified by model SI821-1B
  • 18-gauge Type 304 stainless steel selected for demanding commercial-kitchen use
  • One 18 x 21 in. bowl, 14 in. deep for an easier pre-purchase capacity check
  • Drainboards on both sides support the intended workflow and footprint
  • Corner drain; 8-inch on-centre faucet holes; faucet sold separately
Buying Tips
Reduce ordering risk before checkout
Fit check: Width: 66 in • Depth: 26.5 in • Height: 44.5 in • Weight: 79 lb
For SI821-1B, measure the complete 66-inch footprint and confirm that the intended dirty-to-clean flow is supported by drainboards on both sides. Review the one 18 x 21 in. bowl, 14 in. deep, corner drain, backsplash clearance and leg location against your rough-in. Confirm 8-inch on-centre faucet holes; faucet sold separately. Confirm delivery access and have a qualified installer verify local plumbing and public-health requirements before purchase.
Specifications
Commercial Equipment Specifications — Built for Fast, Accurate Buyer Comparison.
Core Product Details
BrandEFI
ModelSI821-1B
CategoryWarewashing Faucets & Sinks
Equipment Type21″ Compartment Corner-Drain Sink
Installation TypeFreestanding; plumbed
Fit & Dimensions
Width66 in
Depth26.5 in
Height44.5 in
Overall Dimensions66″ W × 26.5″ D × 44.5″ H
Overall Dimensions (SI)66″ W × 26.5″ D × 44.5″ H
Net Weight79 lb
Performance & Output
Electrical / Gas Requirements
Drain Size1 7/8 in
Build & Certifications
CertificationsNSF Certified
Additional Specs
Faq answer 1Model SI821-1B is the 66-inch, one-compartment version with drainboards on both sides. Its working section uses one 18 x 21 in. bowl, 14 in. deep, so compare the complete footprint rather than bowl size alone.
Faq answer 2SI821-1B includes drainboards on both sides, creating separate landing areas for incoming and outgoing wares. Confirm the full 66-inch footprint and operator flow before ordering.
Faq answer 3For SI821-1B, EFI's published family specifications list 18-gauge Type 304 stainless steel; one 18 x 21 in. bowl, 14 in. deep; corner drain; 8-inch on-centre faucet holes; faucet sold separately; coved corners and TIG-welded construction. Have the installer compare the published drawing with the site rough-in before ordering.
Faq answer 4Before committing to SI821-1B, verify its 66-inch overall width, two-drainboard configuration, bowl clearance, faucet centres, drain location, delivery path and service aisle. Have the installer confirm supply, waste and faucet requirements, then compare the final layout with the applicable Canadian plumbing and public-health rules.
Faq question 1What is included in the EFI SI821-1B configuration?
Faq question 2Where is the working or drainboard side on SI821-1B?
Faq question 3What material, drain and faucet details apply to SI821-1B?
Faq question 4Which site details should be checked before purchasing EFI SI821-1B?
Spec sheethttps://www.efifoodequip.com/upload/admin/users/21_Corner-Drain-Sink.pdf
FinishSatin finish
Material18-gauge Type 304 stainless steel
Buyer note: Ensure your space, connections, and access points match this unit before ordering. Our team can help confirm fit and requirements to prevent installation issues and delays.
Why Buy From Us
For replacement or new-build projects, Continental Restaurant Equipment can help check access, receiving constraints and installation clearances, with special attention to SI821-1B's straight-through working direction. Before SI821-1B is ordered, a Canadian project review can help confirm bowl dimensions, drain location, faucet centres and drainboard orientation before the purchase is released.

Related Categories

Explore compatible equipment groups and closely related commercial categories.

All Stainless Steel Sinks1-Compartment SinksCommercial FaucetsPre-Rinse FaucetsCommercial Dishwashers

Frequently Asked Questions

What is included in the EFI SI821-1B configuration?
Model SI821-1B is the 66-inch, one-compartment version with drainboards on both sides. Its working section uses one 18 x 21 in. bowl, 14 in. deep, so compare the complete footprint rather than bowl size alone.
Where is the working or drainboard side on SI821-1B?
SI821-1B includes drainboards on both sides, creating separate landing areas for incoming and outgoing wares. Confirm the full 66-inch footprint and operator flow before ordering.
What material, drain and faucet details apply to SI821-1B?
For SI821-1B, EFI's published family specifications list 18-gauge Type 304 stainless steel; one 18 x 21 in. bowl, 14 in. deep; corner drain; 8-inch on-centre faucet holes; faucet sold separately; coved corners and TIG-welded construction. Have the installer compare the published drawing with the site rough-in before ordering.
Which site details should be checked before purchasing EFI SI821-1B?
Before committing to SI821-1B, verify its 66-inch overall width, two-drainboard configuration, bowl clearance, faucet centres, drain location, delivery path and service aisle. Have the installer confirm supply, waste and faucet requirements, then compare the final layout with the applicable Canadian plumbing and public-health rules.