Grindmaster B-3 PrecisionBrew™ Pourover Coffee Brewer w/ (1) Lower & (2) Upper Warmers, 120v

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KaTom #: 131-B3 • MPN: B-3
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Retail Price: $1,243.00
$587.53 / Each

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Grindmaster B-3 Description


The Grindmaster B-3 coffee brewer is digitally controlled. A single decanter fits under the brewer at a time, while two other decanters can be warmed on the top. There is a warmer under the brew basket to keep coffee warm until ready to serve, and they can be programmed to turn off after 240 minutes passes after the last brew cycle. During the complete brew cycle, the temperature is held within 1 degree Fahrenheit, and until water has reached the ideal temperature, the brew cycle will not start. The Grindmaster B-3 coffee brewer shifts to pour over mode when it does not detect water.

Product Details

  • Digitally controlled
  • Accepts a single decanter under the brew basket (sold separately)
  • Warmer under the brew basket keeps coffee warm until ready to serve
  • 2 warmers built into the top for other decanters
  • Holds brew temperature within 1 degree F during the complete brew cycle
  • Number of pulses, pulse-on time, and pulse-off time are programmable
  • Pulse brewing extracts more dissolved solids for every batch of coffee
  • Low temperature, no brew feature prevents the brew cycle from starting until water has reached the ideal temperature
  • Cycle counter adds up the number of brew cycles ran
  • Settings can be locked to prevent tampering
  • Warmers can be programmed to shut off after 240 min. from the last brew cycle
  • Automatically shifts to pour-over mode when water is not detected
  • 120 V/60 Hz/1 ph, 1800 W, 15 A, cord with a NEMA 5-15R plug
  • Overall dimensions: 8.25 in. W x 17.75 in. D x 19 in. H
  • CE and cULus listed; NSF certified

More information on coffee brewers can be found in our decanter brewers buyers' guide.

PrecisionBrew™ Coffee Brewer, single brewer for decanters (decanters sold separately), (3) warmers (1 bottom, 2 top), digital controls, automatic pourover capability, sleep mode, hot water faucet, stainless steel brew basket, stainless steel construction, UL, 120v/60/1ph

*The warranty will not be honored for residential or non-commercial use of any Commercial Equipment.

Warning Small Important Prop 65 information for California residents.

Grindmaster B-3 Specifications

PDF Spec Sheet
Manufacturer Grindmaster
Warranty 2-year Parts & Labor
Size 3 Warmer
Water Connection Pourover
Finishes Stainless
Cord Attached Yes
Depth (in) 17.75
Faucet No
Funnel Stainless
Height (in) 19
Lower Warmers 1
Upper Warmers 2
Width (in) 8.25
Voltage 120
Hertz 60
Phase 1
Series PrecisionBrew™
Product Commercial Coffee Brewer
Product Type Coffee & Tea Service
Weight 35.00
Grindmaster B-3 Certifications
  • UL
  • NSF
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