Micro Matic USA Pro-Line Back Bar Coolers - MMPP4301-EP
Model MMPP4301-EP • Air-Cooled • 1 Vertical Pump
Keep every pint brewery-fresh, even when your walk-in is hundreds of feet away. Engineered by Micro Matic’s draft-beer specialists, the Pro-Line air-cooled power pack delivers rock-solid temperature control, unbeatable reliability, and outstanding value for remote draft systems in bars, breweries, restaurants, and stadiums.
Features
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2,300 BTU Cooling Muscle – 1/3 HP compressor easily maintains a steady bath temperature under demanding conditions.
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4.5 gal (17 L) Glycol Reservoir – Oversized for thermal stability; exterior sight glass makes level checks instant.
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240 GPH Vertical Circulating Pump – Pushes glycol through long remote beer lines with consistent flow.
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Digital Thermostat – Precise set-point control and bright read-out for at-a-glance verification.
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Stainless-Steel Cabinet – Rugged, corrosion-resistant housing with closed-cell urethane insulation to minimize condensation.
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Plug-and-Pour Convenience – 115 V, 7.0 A draw with NEMA 5-15P plug; no hard-wiring required.
Specifications
| Cooling capacity |
2,300 BTU / hr |
| Compressor |
1/3 HP, air-cooled |
| Glycol bath volume |
4.5 gal (17 L) |
| Pump output |
1 × 240 GPH vertical circulating pump |
| Temperature control |
Digital thermostat |
| Refrigerant |
R134a, 10 oz charge |
| Electrical |
115 V / 60 Hz / 1-ph, 7.0 A, NEMA 5-15P |
| Cabinet construction |
Stainless steel with urethane foam insulation |
| Dimensions (W × D × H) |
26-1/8 in × 17-3/8 in × 21-9/16 in
(663 mm × 435 mm × 548 mm) |
What our Experts Think
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Professional glycol power pack system – Engineered for long-draw draft beer applications where consistent temperature control is critical.
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Reliable 2,300 BTU cooling performance – Supports stable refrigeration for continuous, high-demand beverage service environments.
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Efficient circulation system – Includes a high-capacity pump setup designed to maintain steady glycol flow for optimal draft quality.
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Precision digital temperature control – Allows accurate adjustment to keep beverage lines consistently cold and performance stable.
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Commercial stainless-steel build – Built for durability in busy bar and restaurant environments with long service life.
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Designed for long-distance draft runs – Ideal for venues where beer lines run far from kegs or walk-in coolers.
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Service-friendly engineering – Accessible components and modular design help reduce downtime during maintenance.
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Consistent product quality delivery – Helps maintain proper beer temperature from storage to tap for better taste and foam stability
Q&A
Q: What is the Micro Matic MMPP4301-EP used for?
A: It is a commercial air-cooled glycol draft beer power pack designed to chill and circulate glycol for long-draw beer systems in bars, restaurants, and taprooms.
Q: What is its main function?
A: It maintains consistent beer temperature over long distances by circulating glycol through trunk lines, ensuring beer stays cold from keg to tap.
Q: What cooling capacity does it have?
A: It provides approximately 2,300 BTU cooling capacity using a 1/3 HP air-cooled compressor for reliable performance in commercial setups.
Q: Does it include a glycol tank?
A: Yes, it features a glycol bath (about 4.5 gallons) that stores and cools the glycol solution for circulation through the system.
Q: How many pumps does it use?
A: This model includes one vertical circulating pump to move glycol through the draft system efficiently.
Q: What type of businesses is it best for?
A: It is ideal for high-volume bars, breweries, stadiums, and restaurants that need reliable long-distance draft beer delivery.
Q: What voltage does it require?
A: It operates on 115V single-phase power with standard commercial electrical connection.
Q: Why is a glycol system important?
A: It prevents temperature loss in long beer lines, reduces foam, and ensures consistent taste and quality at every tap.
Q: Is it suitable for small bars?
A: Not typically—this unit is designed for long-draw or large multi-tap systems, not simple short-distance bar setups.
Maintenance Tips
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Glycol level check (monthly): Keep bath filled to indicator line; top up with approved glycol mix (typically 2.5:1 water to glycol).
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Glycol change (every 12–18 months): Replace solution to prevent contamination and maintain cooling efficiency.
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Inspect for ice buildup: If freezing occurs, fully thaw and replace solution immediately.
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Clean condenser coils (every ~60 days): Removes dust buildup and prevents overheating or compressor failure.
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Ensure proper airflow: Maintain clearance around unit; blocked vents reduce cooling performance and can cause shutdowns.
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Check glycol pump operation: Listen for smooth circulation; replace pump if flow weak or inconsistent.
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Inspect insulation on trunk lines: Damaged insulation leads to temperature loss and foam issues.
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Electrical safety check: Periodically inspect wiring, thermostat function, and connections for wear.
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Monitor system temperature: Maintain stable glycol temperature (~29°F / -2°C typical setpoint range).
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