Mr. Coffee TFX20 Coffee Maker

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This product is manufactured by Mr. Coffee and is one of many programmable coffee maker's that can brew up to twelve cups of coffee. Its programming capabilities allow for pause and serve options as well as setting the timer up to 24 hours in advance before brewing.Tfx20.jpg

How It Works

When cold water is poured into the bucket, it flows from the bucket through the hole in the bottom of the bucket and into the orange tube. The cool water then flows through the one-way valve into the aluminum tube in the heating element, and then partially up through the black tube. This all happens naturally because of gravity.

When the switch is turned on, the heating element starts heating the aluminum tube, and eventually the water in the tube boils.

When the water boils, the bubbles rise up in the black tube and carries the water up the tube. The water flows out the end of the black tube to drip into the filter basket. The hot water and coffee grounds inside the filter basket brew and filter out through the bottom of the basket into the decantur to make fresh ground coffee.


  1. Bottom Casing
  2. Metal Cover
  3. Heating Element
  4. Orange Tube
  5. Non-Stick Warming Plate
  6. Control Panel
  7. Hot Plate Holder
  8. Circuit Board
  9. Battery Compartment
  10. Black Tube
  11. Water Sprout
  12. Removable Filter Basket
  13. Filter
  14. Filter Spring
  15. Water Resorvoir
  16. Casing
  17. Screw
  18. Decantur
  19. Ergonomically Designed Handle

The table belows lists the Bill of Materials for the coffee maker:

Table 4.1: Mr. Coffee TFX20 Bill of Materials
Part # Part Name # Req'd Mat'l Manufacturing Process Image
1 Bottom Casing 1 ABS Plastic N/A
2 Metal Cover 1 Metal N/A
3 Heating Element 1 Aluminum N/A Need to upload
4 Orange Tube 2 ABS Plastic N/A Need to upload
5 Hot Plate 1 ABS Plastic N/A
6 Control Panel 1 ABS Plastic N/A
7 Hot Plate Holder 1 Varied N/A
8 Circuit Board 1 ABS Plastic N/A Need to upload
9 Battery Compartment 1 ABS Plastic N/A Need to upload
10 Black Tube 1 ABS Plastic N/A Need to upload
11 Water Sprout 1 ABS Plastic and Rubber N/A
12 Filter Basket 1 ABS Plastic N/A
13 Filter 1 ABS Plastic N/A
14 Filter Spring 1 ABS Plastic N/A
15 Water Resorvoir 1 ABS Plastic N/A
16 Casing 1 ABS Plastic Injection Molding
17 Screws 18 Metal N/A Need to upload