Bunn G9WD-RH

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  • Can be used as a weight or timer-based grinder
  • Hopper holds up to 6lbs of beans
  • Uses BrewWise technology—the grinder delivers the exact grind volume selected and communicates coffee weight to the Smart Funnel during the grind cycle. A BrewWise brewer will be able to read the info stored in the Smart Funnel and adjust the recipe/ brewing process to deliver great tasting coffee.
  • Can accommodate even large brew funnels
  • Durable, precision grinding burrs


Electrical Specifications

  • 120v, 2-wire plus ground configuration
  • 15 Amps
  • Electrical cord included

Suitable Environment

Suitable Environment

The innovative Bunn G9WD-RH Weight Driven Grinder is truly a one-of-a-kind. Instead of using a timer to determine the grind volume, this unit utilizes weight-based portion control to accurate achieve the desired amount of coffee. Base on its impressive 6 pound capacity and precision, this grinder is recommended for high-volume commercial use.


Requiring very little training, the G9WD-RH has an extremely straightforward interface. Simply fill the hopper and program the amount of coffee you’d like to grind, by selecting the appropriate weight, and the grinder will do the rest.

Feature Details

Programmable Options

The Bunn G9WD-RH allows users to preprogram three different batch sizes for push-button delivery. Just choose the volume (weight) you would like to grind and program the machine; it will remember your setting for future use. Grinder controls are all accessible from the front for easy day-to-day operation.

Smart Funnel

A state-of-the-art microchip is embedded into the funnel, allowing it to recognize the grinder settings and recall them once attached to a BrewWise brewer. Information such as the type of coffee and batch volume allows the brewer to automatically select the appropriate brew cycle for your grinds.

Durable Burrs

The G9WD-RH’s metal burrs are rated at a Rockwell hardness of 66C, ensuring exceptional durability and performance. These precision burrs are designed to cut, not crush, coffee beans for consistent grind fineness and distribution.

Front Loading Hopper

The front-loading hopper has a six-pound capacity, allowing for easy operation and making it appropriate for use in busy establishments.


Daily Maintenance

Use a mild detergent on a clean, non-abrasive cloth to wipe away residue from the exterior of the machine. If possible, use stainless steel cleaner on all stainless steel surfaces.

Periodic Maintenance

About once a month, it is recommended that you clean the grinding burrs with Urnex Grindz. These food-safe tablets can be ground just like coffee beans to absorb coffee oils and loosen buildup inside of the grinding chamber.

No reviews have been written for this product.

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Misc Data
Manufacturer: Bunn
Model: G9WD
Dimension - Width (Inches): 8.14
Dimension - Height (Inches): 29.8
Dimension - Depth (Inches): 19.3
Weight (lbs): 70
Watts: 750
Volts: 120
Grind Selection: French press to drip coffee
Recommended Applications: Commercial Style
Grinding Method: Burr
Drive System: Direct Drive
Burr Type: Flat
Burr Material: Stainless Steel
Burr Size (Millimeter): 78
Built-In Tamper: No
Housing Materials: Metal
Bean Hopper Material: Plastic
Removable Hopper: Yes
Frame: Metal
Bean Hopper Capacity (Oz): 96
Dosing Options: Doserless
Number Of Grind Settings: 1
Programmable Grinding: Yes
Programmability type: Time
Controls: Push Button
Easy Access To Burrs: No
Cleaning Products For Burrs: Urnex Grindz
Warranty (Years): 1
Country Of Manufacture: USA
NSF Certified: Yes
Recommended Applications: Commercial Style
Service provided
Repairs By: Bunn
Contact Number: 800-352-2866

Brew First, Steam First. Which is it?

Posted By: mjackson
Jun 08, 2010 08:01PM
Related Categories Coffee and Espresso

Ok so you just received your new semi-automatic machine and are getting ready to make a nice cappuccino. You have watched the local Barista, done your online research and have quickly come to the conclusion that you are getting conflicting information on how to properly make a cappuccino or latte with your new machine. In some instances, you may have seen the drinks being made by brewing your espresso and then steaming and frothing your milk. Likewise, you may have also watched videos that show a latte being made in a glass cup where the espresso is being poured into the steamed milk. So which is it you might ask. "Do I brew first or do I steam first"? The consensus with our team here is that it is better to steam/froth your milk first and then brew your espresso. This especially holds true when using a single boiler espresso machine like the Gaggia Classic or Rancilio Silvia. This serves three main purposes: First, it is much more fast to make a latte or cappuccino by cooling the machine to brew after steaming then to wait for the machine to heat to steam after brewing. You can very quickly have the machine ready to brew simply by switching to the brew button and running hot water through the steam arm. The wand will change from producing steam to producing hot water very fast. Once you have hot water instead of steam you are ready to brew. This should take mere seconds with most mid level semis like the Gaggia machines. Second, it is better for the machine and its internal components to be at the cooler brew temperature then the hotter steam temperature. In fact, Rancilio states in their manual that the steps mentioned in point one is necessary in the normal operation to prevent the machine from burning out heating elements and boilers. Third, performing step one with the mid level semi-automatic machines is a great way to maintain a relatively consistent temperature when brewing. If you start brewing at about the same time after the steam turns to hot water you can maintain a consistent brew temperature with every shot. This is something known as temperature surfing which is a topic all of its own.

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