Question about Bunn VPR Coffee Maker

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Our BUNN vpr is plugged in 24/7 and stays warm all the time. This seems like a big waste of electricity to me, but I have been told that when they tried to unplug the last one between uses, they had to buy a new machine. Can't we just plug it in when we need it and unplug it when we're done like we do with all other electric appliances? Seems like a large electric vampire to me!

Posted by paula_nelson on


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Mark Cheong

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VPS/VPR are pour over brewers. Like the 12 cup brewers you find at home, they need to be filled with 12 cups of water (a full pot), heated and then peculated over the coffee grounds and collected in a decanter.
BUT there is one main difference! The VPR and similar COMMERCIAL coffee machines are quick brewers. They usually have a pre-heated pot of water stored inside the machine.
* VPR's and similar machines REQUIRE a pre-fill and heating period prior to brewing. This means it's sitting on a level table and filled with water until water sprays from the brew head. At this point the unit is plugged in and the heater is turned on (CWTF's have a toggle switch behind the machine). Brewer will pre-heat the water (there may be some water discharge from brew head as the water expands). Ready light will come on in about 15 mins.
* To Brew; Place coffee grounds in filter, place in funnel and brew head, clean empty decanter under funnel, slowly pour one full decanter of water (cold or hot) into brew tray. Do not overflow tray. Allow water level to sink before adding more water. Only fill with one pot as an equal amount will come out the brew head and funnel.
* FYI Coffee grounds are usually in pre-measured packets for office use. A simple guide is one tablespoon per cup. (level or heaping spoon is up to you)
* Final; Getting back to unplugging when not in use. Yes there is a heater in the machine that keeps the tank warm. You can save power by turning off the warmer plates when not in use. Some units have up to 6 plates. The warmer "Blanket" is designed to keep the tank warm enough to brew and not waste heat or electricity. Yes unplug the unit at night if there is no night crew drinking coffee (or tea) But follow the Pre-heat instructions mentioned above prior to plugging the brewer back in. If the tank has been emptied at night or dried up after an idle week. Then there is a chance you may over heat and blow the thermal fuse. Or at best have a half pot short brew as the water dried up.
* Note leaving the brewer plugged in without brewing daily is not a good idea. The water evaporates and eventually drys out the pot. Takes about 1-2 weeks but it does blow the fuse(s) and the unit will need service.
* Final; Follow the Bunn set up and care instructions (manuals from for down loading. (*FREE*)
Aloha, ukeboy57

Posted on Jan 20, 2018


5 Related Answers

Kelley Hopper

  • 67 Answers

SOURCE: Bunn VPR 04276-0003

There is a thermostat underneath the top of the machine. There are a couple of little screws that you need to undo then you will see a little dial or even a little T on top of a metal box or circuit board. I recommend that you unplug the machine before opening it up. Then just turn the thermostat down - usually counter clockwise. Turn it just a little and put the top back on the machine and let it heat up.

Posted on Jul 18, 2008


Kelley Hopper

  • 67 Answers


It sounds like the tank isn't full. Unplug the machine and make sure there is a pot underneath to catch water. Pour clean water into the tank until it starts flowing out. Plug the machine in and let it heat up. Then try brewing coffee.

The way your machine works is that there is a holding tank for the water and it isn't actually brewing with the water you just poured in, it is using the holding tank water. If the holding tank gets low, and you pour water in all it does is fill the tank but nothing will come out.

Hope this helps.

Posted on Jul 19, 2008


  • 454 Answers

SOURCE: water not hot enough on bunn vpr

Make sure vacation switch is turned on (preheats water).

See manual here:

Posted on Dec 22, 2009


  • 40 Answers

SOURCE: Filter basket overflows after cleaning Bunn VPR Coffee Maker

Make sure you are using BUNN brand cupcake filters, not the shorter-sided generic variety. Also, inquire with BUNN about an optional attachment for some models that will slow down the rate of water flow. Lastly, ensure that you are not over-filling the basket with grinds. There is an upper limit to how much a coffeemaker will hold, and some people try to compensate for weak coffee by adding too much.

Posted on Feb 16, 2010


  • 40 Answers

SOURCE: BUNN VPR commercial coffee pot, not flowing in a

The unit may simply need to be decalcified. You may need to use a toothpick to remove blockages in the spray head, and there may be a flexible wire to assist in removing blockages behind the spray head leading to the tank (refer to owner's guide). If these measures fail it may be a problem with the thermostat/electrical system. For support go to:

Posted on Mar 05, 2010

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Can I leave my bunn vpr plugged in at all times or do I need to unplug it each time after use?

Good. Morning
My rule of the thumb is to leave all electrical appliances plugged at all times, when I am at home, when I travel I unplug everything. The TV!, DVD, coffee machine and so on. I usually leave one radio on.
So when I come back there is live in the house.
this has worked well for me,
all the. Est

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Hello, that sounds fairly good, as you describe it. Here is a link to your units manual:

go to the bottom of the page, and select the operation manual for a VPR. It is advisable to let the unit sit for approx. 20 minutes after filling, cold water works best, and you need to make sure that you pour the water in before you plug it in, as the heat circuit is always on, whether water is in it or not, including if all the water has evaporated. The manual for the unit should answer your questions.

Hope that helps, and thank you.

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