Speed Brew GRB - Coffee maker Bunn - Free user manual and instructions
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| Product Type | Commercial Coffee Brewer |
| Model | Speed Brew GRB |
| Brand | Bunn |
| Capacity | 1/2 Gallon (64 oz) per batch |
| Brew Time | Approximately 3-4 minutes per batch |
| Water Reservoir | 1 gallon (128 oz) internal tank |
| Dimensions (H x W x D) | 19.5 x 11.5 x 16.5 inches |
| Weight | 18 lbs |
| Power | 120V AC, 60Hz, 1500W |
| Material | Stainless steel body and warmer plate |
| Brewing Features | Sprayhead for even extraction, funnel included |
| Warranty | 1 year parts and labor |
| Safety Certifications | UL listed, NSF certified |
| Cleaning and Maintenance | Daily rinse, weekly decalcification with Bunn cleaner |
| Recommended Use | Commercial or high-volume office applications |
| Brew Temperature | 200°F (93°C) optimal brew temperature |
| Replacement Parts Availability | Sprayheads, funnels, warmers, and decanter sets available |
| Installation | Plumbed-in or pour-over model (check manual) |
| Decanter Included | Yes, 1/2 gallon stainless steel decanter |
Frequently Asked Questions - Speed Brew GRB Bunn
How do I clean the Bunn Speed Brew GRB?
Clean the brewer daily by rinsing the funnel and decanter. Weekly, run a decalcification cycle using Bunn commercial cleaner according to the manual.
Why is my coffee not hot enough?
Ensure the warmer plate is on and the decanter is centered. If still cold, check the brew temperature (should be 200°F). Low temperature may indicate scale buildup.
How do I decalcify the Speed Brew GRB?
Fill the reservoir with a mixture of 1 part Bunn decalcifier to 3 parts water. Brew as usual, then rinse with two full tanks of fresh water.
What type of coffee filter should I use?
Use Bunn commercial 12-cup paper filters or a compatible permanent filter. Ensure the filter is correctly seated in the funnel.
How long does it take to brew a full batch?
The Speed Brew GRB brews a full 1/2 gallon batch in approximately 3 to 4 minutes.
Why is my brewer dripping or leaking?
Check the sprayhead for clogs, ensure the funnel is properly inserted, and verify the decanter is not cracked. Clean any debris from the seal.
Can I use pre-ground coffee?
Yes, use a medium grind suitable for drip coffee makers. For best results, use freshly ground beans with a consistent grind size.
How do I adjust the brew temperature?
The brewer is factory-set to 200°F. If adjustment is needed, contact Bunn technical support or refer to the manual for thermostat adjustment.
What is the warranty on the Speed Brew GRB?
Bunn provides a 1-year limited warranty on parts and labor. Proper maintenance is required to keep the warranty valid.
How often should I replace the sprayhead?
Sprayheads typically last 1-2 years with regular cleaning. Replace if you notice uneven water distribution or clogging.
User questions about Speed Brew GRB Bunn
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USER MANUAL Speed Brew GRB Bunn
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Product information
Brand : Bunn
Model : Speed Brew GRB
Category : Coffee maker