GRX-W Original Bunn Home Coffee Maker Review

The Bunn GRX-W original is a 10 cup home coffee brewer, this model has been available for many years, you will find numerous reviews of this coffee maker on the internet written by people who have purchased and used this machine.

In this article I will summarize all of the points raised by the different reviewers both positive and negative so that you will be able to make an informed decision about this coffee maker without having to sift through all of the online reviews.

Bunn GRX-W Coffee Maker Pros

The Bunn GRX is available in two colors white (GRX-W) and black (GRX-B); these machines brew coffee in the traditional drip manner by passing hot water over grinds in a filter.

The big difference between Bunn coffee brewers and other drip filter systems however is the speed with which the Bunn machine produces a pot of coffee – this machine will brew a cup of coffee in less than three minutes!

(This fact is reinforced in review after review, the machine really does deliver coffee in this time it is not just a manufacturer’s promise!)

The reason that the Bunn GRX can brew a pot of coffee in such a short time is because the machine has a water tank or reservoir which holds water that has been heated to the perfect brewing temperature at all times, you simply add more water to fill the reservoir and this “pushes” the already heated water out of the reservoir to brew your coffee.

Reviewers of the machine have also commented on the fact that the coffee produced is very hot (hotter than they were used to from other coffee machines.)

Some reviewers did not like the fact that the water tank is left switched on all the time.

Some reviewers did note that if you do not use the machine for a few days there can be some evaporation of the water in the tank – this is not a problem you can simply refill it but it is something to make note of as you do not want to allow the tank to run dry.

Bunn GRX-W Coffee Maker Cons

The reviews all seem to make the same point when it comes to the looks of this model – it won’t win any modern design awards but it will make an excellent cup of coffee.

This is a theme that seems to flow through most of the reviews that Bunn have concentrated on making a machine that will produce an excellent pot of coffee consistently in a very short time, and that is simple to use.

Some reviewers have criticized the Bunn GRX for not having extra design features added to it such as an automatic timer that will allow the machine to be programmed to switch on and or off automatically.

Standing the Test of Time

As stated above this Bunn model has been available for many years and many of the reviews of the machine state that the purchaser has just bought this machine to replace their old Bunn GRX that they have had for years (between 4 and 20 years.)

Bunn have made some minor changes to the machine to improve it firstly there is now a switch to allow you to turn off the hotplate, and secondly the door on the water inlet (where you put the water) has been changed so that the coffee will not start to brew until you close this door.

This second feature means that you can fill the reservoir and then place the pot onto the hotplate ready to accept the brewed coffee without the coffee starting to brew and spilling over the hotplate before you have placed the pot on it.

Special Features of Bunn GRX

The Bunn GRX coffee maker has a special spray head (described as being similar to a shower head) that sprays water over the coffee grounds; this patented head is described by Bunn as being the best way to ensure a proper brew of coffee.

This manufacturers claim is again backed up by the reviewers as they talk about the excellent taste of the coffee produced, some reviewers even commented that their regular coffee tastes much better after being made in the Bunn GRX than it did when made in other machines.

Main Negative Point

The main negative comment about this machine was that it does not have an automatic safety cut-off for the warming plate if you accidentally forget to switch it off, (this comment was made by people who were otherwise extremely happy with the machine but think that this would be a good improvement.)

GRX-W Original Home Coffee Maker Pros:

• It makes coffee really fast. In less than 3 minutes you can easily make 10 cups of coffees and you or your guests will not have to wait long for a great cup of coffee.


• It has a convenient close and brew lid that ensures that your coffee maker does not spill anything during the brewing process.


• It comes with a stainless steel tank that ensures that your water is kept at an ideal temperature.


• The patent sprayhead design helps you in extracting better flavor from your beans

GRX Home Coffee Maker Cons:

• One of the biggest disadvantages of this coffee maker is that it is a bit pricey although definitely has the capability of giving the more expensive coffee makers available on the market a run for their money.


• Another disadvantage of this coffee maker is that it does not come with an automatic on and off feature.


• It requires regular maintenance otherwise it can become clogged. If you do not clean it regularly then your coffee making will start taking a lot more then 3 minutes.


• It is big and It takes a lot more counter space then other coffee makers.