Micro Matic USA Pro-Line Back Bar Coolers - MDD23GR-E
Model MDD23GR-E • 1 × ½ Barrel Keg Capacity
Purpose-built by Micro Matic for bars, breweries and event pros, the Pro-Line E-Series packs commercial-grade cooling, an integrated glass rinser and a polished stainless tower into a space-saving 25-inch cabinet—so you pour perfect pints anywhere power is available.
Features
- Integrated glass rinser chills & cleans glassware instantly for ideal beer head retention.
- 3" polished stainless draft tower with NSF-approved faucet (knob sold separately).
- Full-width stainless drip tray with removable grill, drain hose & bottle keeps work surfaces clean.
- Heavy-duty keg slide protects the interior floor and speeds keg changes.
- Self-contained 1/6 HP refrigeration—just plug into a standard 115 V outlet.
- Analog dial thermostat offers simple, precise temperature control.
- Lockable solid door and pre-installed casters deliver security and mobility.
- cETLus & ETL-Sanitation listed; fully compliant with NSF 7 & NSF 18.
- 18-gauge stainless steel top with glass guard rail on front & sides.
- Black vinyl-clad steel exterior resists dents, scuffs and fingerprints.
- 20-gauge stainless interior floor, reinforced frame & galvanized walls.
- 2" foamed-in-place, CFC-free polyurethane insulation for superior cold retention.
- Automatic condensate evaporator—no floor drain required.
Specifications
| Capacity |
8.4 cu. ft (239 L) • 1 × ½-barrel keg |
| Overall Width |
25" (635 mm) |
| Overall Depth |
29.5" (749 mm) |
| Height (to tower) |
53.6" (1,363 mm) |
| Draft Tower / Faucets |
3" Ø polished stainless • 1 faucet |
| Refrigeration |
Self-contained • 1/6 HP • R-134a (6.7 oz / 190 g) |
| Electrical |
115 V / 60 Hz / 1-ph • 2.7 A • NEMA 5-15P • 8' cord |
| Thermostat |
Analog dial |
| Door |
1 solid, hinged, lockable |
| Mobility |
4 casters (installed) |
What our Experts Think
Q: What is the Micro Matic MDD23GR-E used for?
A: It is a commercial Pro-Line back bar draft beer cooler (kegerator) designed for bars, restaurants, and taprooms to store and dispense one ½-barrel keg with built-in refrigeration and a direct-draw draft tower system.
Q: How much capacity does it have?
A: It has an 8.4 cu. ft. interior, typically holding one full ½-barrel keg for standard draft service.
Q: Does it include a tap tower?
A: Yes, it includes a 3" polished stainless steel draft tower with 1 faucet, designed for direct beer dispensing (tap knob usually sold separately).
Q: What cooling system does it use?
A: It uses a self-contained commercial refrigeration system (115V) to maintain optimal beer serving temperatures for consistent pours.
Q&A
Maintenance Tips
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Clean condenser coil regularly: Remove dust and grease every 2–3 months to maintain cooling efficiency and reduce compressor strain.
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Maintain correct temperature (36–38°F): Keep consistent internal temperature for optimal beer storage and draft quality.
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Ensure proper airflow: Do not block ventilation panels; operate in well-ventilated areas to prevent overheating.
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Sanitize interior surfaces: Clean stainless steel interior using non-chloride cleaners; avoid abrasive pads or steel brushes to protect finish.
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Check drain & condensate system: Inspect drain hose and automatic evaporator regularly to prevent water buildup.
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Inspect refrigeration components: Periodically check compressor and thermostat for stable operation and early fault detection.
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Door gasket maintenance: Keep seals clean and tight to maintain insulation efficiency and reduce energy loss.
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Keg handling care: Load and remove kegs carefully to avoid damage to interior floor and slide system.
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Routine deep cleaning: Fully clean interior periodically for hygiene and long-term performance.
Damage 
Loss 
Theft 
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