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Water Boiling in tank

We have a Bunn VPR coffee maker and the problem that we are having is that after we plug it in and the water temp heats up it starts to boil up and it steams and spits out of the jet. Is there a fix for this???

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  • miguel66 Nov 10, 2008

    I have turned it down a little at a time and waited each time for the tank to cool down. I would then plug it back in and test it again, after 15 minutes it will sound like the water is boiling in the tank and it would steam out the water fill and out the spray nozzle as well as drip from the spray nozzle. Could the thermostat be defective? Is there a way to test it? Is it an expensive part? Any help you can give would be greatly appreciated....

  • Anonymous Mar 28, 2014

    single serve s700 quisinart with kuerig motor motor starts but stops right away and the water in the plastic reservoir starts to boil

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Unplug the machine and remove the top. You will find a little box with a knob or a "T" on it, this is the thermostat. Just turn it down a little, put the top back on and plug it back it.

Posted on Nov 10, 2008

  • Kelley Hopper Nov 10, 2008

    Is the tank of the machine full? If it isn't or you are not sure, pour in a pot of cold water (with a pot under the brew basket to catch the excess water). You can speed up testing of the temp by pouring in cold water after you turn down the thermostat. The thermostat may very well be bad. They run about $25 and you should be able to find one at a local restaurant appliance repair shop or we can get one for you.

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1 Answer

BUNN VPR NO HEATED WATER


You should call your vendor for service. Especially if it's on loan from them.
*** The following is for information only. Equipment should be serviced by a qualified tech. ***
VPS 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 powers up. 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-messured packets for office use. A simple guide is one tablespoon per cup. (level or heaping spoon is up to you)
* Since your brewer was bubbling at one point. I'm guessing it had water in the pre-heater at one time. But if it's not in use and left plugged in all that time then the water has probably boiled off. Hopefully someone unplugged the brewer prior to the unit blowing the thermal fuse.
* You can test the VPR by following the Pre-fill instructions I've listed earlier. If the brewer heats up and does not continuously boil (shorted condition) then try a brew. If it works then your okay. Otherwise the unit will need service for a blown high limit or bad heater element.
* Call your coffee vendor anyway. Many coffee vendors will service your brewer of even replace it as long as you buy coffee from them. Ask around.
* check bunn.com for free download of VPR manual

Aloha, ukeboy57

Jan 06, 2014 | Bunn VPR Coffee Maker

1 Answer

Water stopped heating in my Bunn VPR


that is heating element problem...it is repairable but not for DIY..

Jun 07, 2012 | Bunn VPR Coffee Maker

1 Answer

Bunn vpr steams everything out fill hole and nothing comes through copper tube, even after cleaning tube and head.


Fill water tank until water comes out from sprayhead, THEN plug it in it should be OK.

IF the machine keeps blowing steam/keeps boiling the water, The thermostat is defective and must be replaced.

NOTE: If you don't use the machine for a couple days, UNPLUG IT. The water will evaporate if you don't unplug it.

Jan 13, 2011 | Bunn VPR Coffee Maker

1 Answer

On a Bunn VPR why is the water boiling out the top of holding tank?


This brewer has a dial type thermostat inside the top lid. I believe a small counter-clockwise turn (about 1/16 turn) should lower the maximum heating of the brewer. If the brewer is old you may need to replace the thermostat AND the High Limit thermostat... the small "button type" device on the top of the tank with wire to and from the heating element.

Oct 19, 2010 | Bunn VPR Coffee Maker

1 Answer

Bunn VPR Series Coffee Maker will NOT dispense the water into the coffee pot?


This machine has a reservoir that holds about 2.5 pots and keeps them at brewing temperature. Therefore you should pour in 3 pots (with a pot in place under the filter basket) until water flows from the basket. Then, and ONLY then, it is safe to plug in the brewer. If you plug in the brewer BEFORE filling the reservoir you will burn up the heating element and will have to have it replaced.
After the initial filling and heat up (about 20 minutes) you are ready to pour through a pot of COLD water through and brew.

Sep 10, 2010 | Bunn VPR Coffee Maker

1 Answer

I have a Bunn VPR, it brews fine for a couple pots


Try running a quarter-pot 50/50 solution of white vinegar and cold water through to clean out calcium deposits in the pump system. Use a clean filter to catch the pumped debris. When pumped through, let cool somewhat, and reuse the cold mixture again twice more. Pour out the vinegar solution and run several cold water loads through to wash out the taste. Hope this helps!

May 24, 2010 | Bunn VPR Coffee Maker

1 Answer

Our Bunn VPR coffeemaker takes a LONG time to heat up the water. If we don't wait several hours between pots of coffee, the coffee is luke-warm at best. Does this sound like a heating element or...


We left vinegar in the coffeemaker overnight. Seems to have done the trick - water is heating up now after 20 or so minutes instead of several hours.

Jan 05, 2010 | Bunn VPR Coffee Maker

1 Answer

I have a Bunn model VPR, I can fill it up with water, plug it in, no water. turn it on, no water. it gets hot. I opened it up, there is no restriction. What coulf cause this?


This is a pour over unit.

You fill the tank with water, it heats the water in the tank.
When the water in the tank is at brewing temp, the lite should go out.

To brew coffee with this system, you put a filter in the brew funnel, put coffee in the filter. Place the brew funnel in the slide tabs to hold in place. put an empty decanter on the warming plate under the brew funnel. Then take one decanter of fresh water and pour it in the top of the brewer where it says "WATER ONLY" the coffee will begin brewing immediatly.

Oct 26, 2009 | Bunn VPR-Black (33200.0002) Coffee Maker

1 Answer

BUNN VPR Overheating


Thermostat is either bad or your heating element is bad. Check both and also check for calcium and lime build up

Feb 20, 2009 | Bunn VPR Coffee Maker

1 Answer

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.

Apr 16, 2008 | Bunn VPR Coffee Maker

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