Micro Matic USA Pro-Line Back Bar Coolers - MDD23S-E
Model MDD23S-E • 1-Keg Capacity • Stainless Steel
Engineered by Micro Matic’s draft-beer experts, the Pro-Line E-Series brings commercial-grade performance to any bar, taproom, or event space. With a rugged keg slide, full-size drip tray, and self-contained refrigeration, this compact 25-inch cooler is the plug-and-pour solution for perfect pints—shift after shift.
Features
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Single-keg powerhouse – 8.4 cu. ft. interior fits (1) ½-barrel or multiple slim kegs.
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Polished 3" draft tower – NSF-approved stainless column with (1) faucet for smooth, sanitary pours.
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Built to last – 18-gauge stainless top, 22-gauge lockable door, and foamed-in-place 2" insulation.
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Analog dial thermostat – simple, reliable temperature control from 33-38 °F.
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Hygienic full-size drip tray – removable grill, ¾" NPT drain, hose, and bottle included.
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Rugged keg slide – reduces floor wear and makes loading effortless.
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Roll & pour – heavy-duty casters let you reposition the unit without breaking a sweat.
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Plug-and-play refrigeration – self-contained 1/6 HP system uses eco-friendly R-134a.
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Certified safe – cETLus & ETL-Sanitation listed for commercial food-service environments.
What our Experts Think
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Commercial 1-section keg cooler — Built for bars, restaurants, and taprooms needing reliable cold storage and direct-draw draft beer service in a compact footprint.
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High-efficiency 8.4 cu. ft. capacity — Fits one ½-barrel keg (or multiple slim kegs), making it ideal for moderate-volume draft programs.
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Self-contained refrigeration system — Plug-and-play 115V design with consistent cooling performance for stable beer quality.
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Durable stainless steel construction — Stainless steel exterior, top, and interior floor designed for long-term commercial durability and hygiene.
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Professional draft-ready platform — Includes stainless drip tray, keg slide, locking door, and casters for easy mobility and workflow efficiency.
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Precision temperature control — Maintains optimal serving range (typically ~36–38°F) for consistent draft performance.
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Installation flexibility — Designed as a base unit that integrates with Micro Matic towers and tapping systems for custom draft setups.
Q&A
Q: What is the Micro Matic MDD23S-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 draft beer directly from a keg with built-in refrigeration and a ready-to-install tap tower system.
Q: How much capacity does it have?
A: It has an 8.4 cu. ft. refrigerated cabinet, typically holding one ½-barrel keg (full keg) for standard draft service.
Q: Does it include taps or a tower?
A: Yes, it includes a 3" stainless steel draft tower with 1 faucet (tap knob not included).
Q: What cooling system does it use?
A: It uses a self-contained commercial refrigeration system (115V) to maintain optimal draft beer serving temperatures inside the cabinet.
Maintenance Tips
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Clean condenser coil regularly: Remove dust and grease buildup every 2–3 months to maintain efficient cooling and reduce compressor strain.
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Maintain optimal temperature (36–38°F): Keep unit within recommended range for proper beer storage and consistent draft quality.
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Ensure proper airflow: Keep rear/side ventilation areas clear to prevent overheating and performance loss.
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Sanitize interior surfaces: Clean stainless steel interior with non-chloride cleaners to avoid corrosion and maintain hygiene.
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Check drain system: Inspect condensate drain and evaporator pan to prevent water buildup or leakage.
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Inspect door gasket: Ensure tight sealing to maintain cold air retention and reduce energy consumption.
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Monitor refrigeration system: Periodically check compressor and thermostat for stable operation and early fault detection.
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Line flushing (if tapped): Flush beer lines with approved cleaning solution to prevent yeast and biofilm buildup.
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CO₂ system check (if applicable): Inspect regulator, gas lines, and fittings for leaks and correct pressure.
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Keg handling care: Load and unload kegs carefully to protect interior floor and stainless slide system.
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Routine professional servicing: Schedule periodic maintenance to extend equipment life and ensure consistent performance.
Damage 
Loss 
Theft 
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