Bunn iMIX-5S+ Silver Series Beverage Dispenser - BU381000003
The Bunn 38100.0003 iMIX-5S+ Silver Series is a beverage dispenser. This unit features (5) 8 lb hoppers with a 4.5 gallon / hr capacity.
Features
- 7gal (26.5L) hot water tank to meet peak serving times
- Alphanumeric display allows adjustments and service operational testing from front of machine. Also communicates advertising messages, machine status and technical support contact information
- Can be set as push and hold or single size portion control
- Capacity: Five 8lb (3.6kg) hoppers
- Cup clearance at 7.25” (18.4cm) to accommodate popular cup sizes [adjustable to 8.12” (20.6cm)]
- Easily removable side panels for complete access to service components
- Front of machine access to tank drain, dump valves, auger and whipper motors and control board for easy service set up and calibration
- High speed heavy-duty whipper for complete product mixing
- High efficiency LED lighted front graphics for merchandising
- Spring-loaded, all metal auger drive system for easy hopper installation
- Variable speed motors allow control of product consistency in mixing chamber (.75 to 6.6 grams of powder per second)
Specifications
| Height |
32.8" |
| Width |
19.3" |
| Depth |
24" |
| Volts |
120V |
| Amps |
15 Amps |
| Watts |
1800 Watts |
| Cord Attached |
Yes |
| Plug Type |
NEMA 5-15P |
| 8 oz Cups Per Hour |
72 |
| Phase |
1 |
| Hertz |
50/60 Hz |
| Finish |
Black |
What our Experts Think
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A high-performance commercial hot beverage dispenser designed for self-serve stations, cafés, convenience stores, and hospitality environments.
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Features five 8 lb. hoppers, enabling multiple drink flavors such as cappuccino, hot chocolate, and specialty beverages in one unit.
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Built with a large 7-gallon hot water tank, supporting continuous beverage production during peak service hours.
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Delivers up to ~72 cups per hour, making it suitable for steady, high-traffic demand.
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Equipped with variable-speed motors, allowing precise control over drink strength and consistency.
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Uses a high-speed whipper system for smooth, fully mixed beverages with consistent texture.
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LED-lit front display enhances product visibility and improves impulse sales in retail environments.
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Supports push-and-hold or portion-controlled dispensing, giving operators flexibility in service style.
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Designed for front-access maintenance and removable panels, reducing downtime and simplifying servicing.
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Plumbed water connection ensures continuous operation without manual refilling.
Q&A
Q: What is the Bunn iMIX-5S+ Silver Series Beverage Dispenser (BU381000003)?
A: A high-capacity commercial powdered drink dispenser designed to serve multiple hot beverages like cappuccino, hot chocolate, and coffee from a single unit with consistent quality and fast output.
Q: How many beverage flavors does it support?
A: It features 5 hoppers, each holding up to 8 lb of product, allowing multiple drink flavors from one machine.
Q: What is its production capacity?
A: It can produce up to ~72 cups per hour, making it suitable for high-traffic commercial environments.
Q: Does it have a water tank or plumbing connection?
A: Yes, it includes a large 7-gallon hot water tank and connects to a direct water line for continuous operation.
Q: What are its key performance features?
A: It uses variable-speed motors, a high-speed whipper system, and precise auger dosing to ensure smooth mixing and consistent drink quality.
Q: Is it easy to operate and control?
A: Yes, it includes push-and-hold or portion-control dispensing modes plus a digital display for settings, status, and messaging.
Q: What makes it suitable for commercial use?
A: Its high output, multiple flavor options, illuminated merchandising display, and easy front/side service access make it ideal for cafés, convenience stores, and self-serve beverage stations.
Maintenance Tips
- Clean whipper chambers, ejector elbows, and dispense nozzles daily to prevent powder buildup and ensure smooth mixing performance.
- Run rinse cycles frequently (at least daily) using the RINSE/RUN mode to flush product residues and maintain hygiene.
- Empty and wash drip tray daily with mild detergent to avoid overflow and bacterial growth.
- Remove hoppers regularly, wash thoroughly, and dry completely before refilling to prevent clumping and contamination.
- Wipe exterior panels with a damp cloth and non-abrasive cleaner—never use water jets or high-pressure washing.
- Inspect and replace O-rings, seals, and bushings during routine cleaning to prevent leaks and mixing issues.
- Check mixing chamber components periodically (whippers, motors, seals) and replace worn parts every 3–6 months depending on usage.
- Descale and clean internal water system periodically to maintain heating efficiency and consistent beverage quality.
- Ensure proper alignment of hoppers and augers to avoid inconsistent powder dispensing.
- Follow scheduled preventive maintenance to avoid downtime and extend machine lifespan.
Damage 
Loss 
Theft 
