ShopPuresteel Coffee Maker

Puresteel coffee maker, brushed stainless steel body with a glass carafe, three-quarter view

Fig. 1Puresteel coffee maker, brushed stainless steel body with a glass carafe, three-quarter view

The Brewer

Puresteel Coffee Maker

A 12-cup drip coffee maker with no plastic in the water path.

An automatic drip coffee maker with no plastic in the water path. Food-grade 304 stainless steel and borosilicate glass. One switch, 12 cups.

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2-year limited warranty against manufacturing defects. We make it right. Warranty details

Specifications
Capacity12 cups (60 oz)
MaterialsStainless steel and glass
Filter304 stainless steel
Size13.1 x 6.4 x 13.3 in
Power120 V, 800 W

Features

  1. 01No plastic in the tank, valves, showerhead, pipe or body
  2. 02304 stainless steel; resists corrosion and dents
  3. 03Borosilicate glass carafe, 60 oz / 12 cups
  4. 04Average brewing temperature: 200°F
  5. 05One switch: add water and grounds, then flip the switch
  6. 06Reusable 304 stainless steel filter; no paper filter needed, and paper filters also fit.
  • Puresteel 12-cup coffee maker
  • Borosilicate glass carafe
  • Reusable 304 stainless steel filter
  • User manual

RTest results

Averages from Puresteel testing, compared with the Specialty Coffee Association ideal ranges.

Puresteel coffee maker / Test resultsPuresteel testing
Average brewing temperatureR1
200°FAverage across Puresteel test brews. 
Total dissolved solids (strength)R2
1.31%Specialty Coffee Association ideal: 1.15–1.35%.Within range
Extraction yieldR3
20.3%Specialty Coffee Association ideal: 18–22%.Within range
Strength versus extractionThe Puresteel average, 20.3 percent extraction at 1.31 percent total dissolved solids, sits inside the Specialty Coffee Association ideal box of 18 to 22 percent extraction and 1.15 to 1.35 percent strength.1.001.101.201.301.401.501618202224SCA idealPuresteelaverageExtraction yield, %Total dissolved solids, %
Fig. 2Strength vs. extraction. Specialty Coffee Association ideal shown in blue.

Notes

  1. 1Values are averages from Puresteel testing.
  2. 2Ideal box from the Specialty Coffee Association brewing chart: strength 1.15–1.35% total dissolved solids, extraction 18–22%.

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