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Height 33.5"
Height to Hinge Cap 34.0"
Width 19.25"
Depth 21.38"
Depth with door at 90° 39.5"
Capacity 4.1 cu.ft.
Defrost Type Automatic
Door Stainless Steel
Cabinet Black
US Electrical Safety ETL
Canadian Electrical Safety ETL-C
Energy Usage/Year 406.0kWh/year
Amps 1.4
Voltage/Frequency 115 V AC/60 Hz
Weight 64.0 lbs.
Shipping Weight 85.0 lbs.
Parts & Labor Warranty 1 Year
Compressor Warranty 5 Years
Refrigerator Features
Door Swing RHD
Reversible Yes
Height Adjustable 1
Crisper Qty 1
Crisper Finish Transparent
Crisper Cover Glass
Shelf Type Glass
Shelf Qty 3
Adjustable Shelves Yes
Thermostat Type Dial
Refrigerant Amount 1.75
High Side PSI 205.0
Low Side PSI 103.0
Level Legs Qty 2
Interior Light Yes
Interior Height 28.5"
Interior Width 15.75"
Interior Depth 18.0"
Compressor Step Height 8.0"
Compressor Step Width 17.0"
Compressor Step Depth 6.75"


SCD Self-Closing Door
Protect interior contents and reduce energy waste with the Self Closing Door Option

California residents:
click here for information on Proposition 65

FF521BLXBISSHH Matching freezer

33.5" H x 19.25" W x 21.38" D



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NOTE: This is a custom unit that requires a special order. For pricing or to place an order for this model, speak with a sales representative at 718-893-3900 ext. 220.AccuCold by Summit Appliance offers a wide range of undercounter all-refrigerators for general purpose storage. The FF521BLBI Series features high performing 20" wide all-refrigerators designed for built-in use under counters.

The FF521BLXBISSHH features a full 4.1 cu.ft. capacity. It has a black cabinet and 304 grade stainless steel wrapped door complete with a sleek horizontal handle. Designed for built-in use, the FF521BLXBISSHH can also be used freestanding.

Inside, this auto defrost refrigerator includes three adjustable glass shelves. A bottom crisper drawer offers added storage options. Additional features include an adjustable thermostat and a switchable interior light.

At just 20" wide, the FF521BLXBISSHH is ideal for any space in need of reliable refrigeration and can be perfectly matched with our FS408BLXBISSHH all-freezer.


Slim 20" width
Full 4.1 cu.ft. capacity inside conveniently slim footprint
Built-in capable
Make the best use of space by installing your appliance under the counter
Stainless steel wrapped door
Durable 304 grade wrapping
Professional horizontal handle
Stainless steel handle mounted horizontally for a modern look
Automatic defrost
Reduced maintenance with auto defrost system
Adjustable glass shelves
Rearrange refrigerator space to accommodate all sizes or remove shelves for simple cleanup
Crisper drawer
Get the longest life and best taste out of produce by storing greens in a bottom crisper
Interior light
Turn the light on and off with a convenient rocker switch
Flat door liner
Easy to clean, with more depth for storage
Adjustable thermostat
Manage the temperature with ease and accuracy
Matching freezer available
Pair with any FS408BLXBISSHH for a complete undercounter set
100% CFC Free
Environmentally friendly design with no ozone-damaging chemicals


Energy Guide


Temperature Logger DL1KIT
Quick View

Temperature Logge...

0.75" H x 5.38" W x 5" D

USB data logger for temperature recordings on any SUMMIT unit; aftermarket installation (order DL1 for pre-installation)

Stamp medical
Quick View


Power failure alarm with hospital grade cord, designed to be used on virtually any 115/120V appliance

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