Micro Matic USA Pro-Line Back Bar Coolers - MBB78GS-E
Model MBB78GS-E | 30.8 cu ft | Holds 4 Half-Barrel Kegs
Engineered by draft-system professionals, the Pro-Line E-Series back bar cabinet delivers rock-solid temperature control, showcase visibility, and all-stainless durability in a single, front-breathing package. Plug it in, stock it up, and keep beverages perfectly chilled right where you serve them.
Features
- 30.8 cu ft (872 L) interior fits up to 1,092 12 oz cans or 4 ½-barrel kegs
- Three hinged locking glass doors highlight product while protecting inventory
- All-stainless top, front, sides, back, interior walls & floor – built to handle commercial wear
- Exterior-mounted digital thermostat for fast, precise temperature adjustments
- Bright interior lighting for attractive merchandising and easy stock checks
- (2) heavy-duty flat shelves + (4) divider shelves included for flexible organization
- Self-contained, front-breathing 1/3 HP refrigeration – no rear or side clearance needed
- Eco-friendly R290 hydrocarbon refrigerant; only 3.0 running amps
- Automatic condensate evaporator – installs anywhere, no floor drain required
- cETLus & ETL-Sanitation listed; conforms to UL & NSF/ANSI 7 standards
Specifications
| Model |
MBB78GS-E |
| Exterior Finish |
201-grade stainless steel |
| Door Configuration |
(3) hinged, locking glass doors |
| Interior Capacity |
30.8 cu ft / 872 L |
| Keg Capacity |
4 × ½-barrel (15.5 gal) kegs |
| Shelves Included |
(2) flat shelves, (4) divider shelves |
| Dimensions (W×D×H) |
80" × 29.5" × 36.88" (2033 × 750 × 937 mm) |
| Compressor |
1/3 HP, front mounted |
| Refrigerant / Charge |
R290 HC / 4.9 oz |
| Electrical |
115 V / 60 Hz / 1-ph, 3.0 A
NEMA 5-15P, 8' cord |
| Approvals |
cETLus, ETL-Sanitation |
What our Experts Think
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Premium mid-size back bar storage solution: The MBB78GS-E is a Pro-Line™ E-Series 80" refrigerated back bar cooler with 3 glass doors, built for bars that need strong visibility and reliable cold storage in a compact footprint.
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High-capacity commercial performance: Offers 30.8 cu. ft. of storage, typically supporting up to 4 half-barrel kegs or over 1,000 cans, making it ideal for busy service environments.
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Front-vented professional refrigeration: Designed with a self-contained, front-breathing 1/3 HP system, allowing flexible installation without rear clearance restrictions.
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Glass-door merchandising advantage: The three locking glass doors improve product visibility and speed up workflow, helping staff quickly locate and serve high-demand beverages.
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Built for durability & hygiene: Features full stainless steel interior walls and floor with stainless top and exterior, ensuring long-term durability and easy cleaning in demanding bar conditions.
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Energy-efficient commercial design: Uses R290 refrigerant and low-amperage operation (~3A) for reduced energy costs while maintaining stable 36–38°F performance.
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Expert takeaway: Best suited for operators needing a balanced mix of visibility, storage capacity, and compact back-bar refrigeration efficiency for high-traffic venues.
Q&A
Q: What is the Micro Matic MBB78GS-E used for?
A: It is a commercial Pro-Line™ E-Series refrigerated back bar cabinet designed for storing and chilling beer, wine, cans, bottles, and mixers in bars, restaurants, and hospitality venues.
Q: What are the key specifications of this model?
A: It features an 80" wide, 3-section design, glass door display system, and approximately 30.8 cu. ft. storage capacity, ideal for high-visibility back bar merchandising.
Q: What are the dimensions?
A: The unit measures approximately 80” W x 29.5” D x 36.9” H, making it a full-length back bar refrigeration solution.
Q: What material is it made from?
A: It features a stainless steel top, stainless interior walls and floor, and a stainless steel exterior, built for heavy commercial durability and easy cleaning.
Q: How many doors does it have?
A: It includes three hinged glass doors with locks, allowing visibility of products while keeping inventory secure.
Q: What type of cooling system does it use?
A: It uses a self-contained, front-ventilated refrigeration system with a 1/3 HP compressor, designed for efficient operation in tight back bar spaces.
Q: What is its storage capacity?
A: It can hold up to 4 half-barrel kegs or over 1,000 cans, depending on shelving configuration.
Q: Is it energy efficient?
A: Yes, it uses modern commercial refrigeration design with R290 refrigerant and low-amp operation, improving energy efficiency and environmental performance.
Maintenance Tips
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Clean exterior daily: Wipe stainless steel top and glass doors to remove spills, fingerprints, and bar residue for a clean display.
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Clean condenser coils regularly: Remove dust buildup to maintain efficient cooling and reduce compressor strain.
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Check door gaskets: Clean and inspect seals to ensure tight closure and prevent cold air loss.
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Maintain proper temperature (36–38°F / 2–3°C): Monitor digital thermostat daily for consistent beverage storage.
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Keep front ventilation clear: Ensure airflow is unobstructed for proper heat dissipation in this front-breathing unit.
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Defrost & check drain line: Prevent ice or water buildup and keep condensate drain clear for proper evaporation.
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Avoid overloading shelves: Maintain airflow between bottles and cans for even cooling performance.
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Deep clean monthly: Empty and sanitize interior walls, shelves, and floor with food-safe cleaner.
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Inspect electrical system: Ensure plug, cord, and connection remain dry, secure, and undamaged.
Damage 
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