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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

Water stopped heating in my Bunn VPR


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We have a Bunn vpr pot and we empty it in the fall and restart it in the summer. How much water needs to be added and how long do we wait until the water is ready? Also once we made a pot do we just need...


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Jun 26, 2011 | Bunn VPR Coffee Maker

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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

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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

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Boiling water out of tank


Sounds like a thermostat problem.

Best bet is to have a service tech check it out.
Contact the company it was purchased from.
Also could check the local phone book for a service company near you.

Nov 24, 2009 | Bunn VPR Coffee Maker

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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

I have a 3 burner that I got on ebay and it seems to want to get the water too hot. It gets hot enough that it sends steam from everywhere. I imagine that that is due to water boiling in the tank? I...


Hello, yes you are correct, it's due to the water boiling in the tank. take 2 screws out of the top panel, just under this panel you will find the thermostat (it's ajustable) turn the temp down on the thermostat, if this does not solve the problem your thermostat may be bad and you will have to replace it. You can purchase new parts from either bunn direct or from holiday house in california. if you have any additional questions please feel free to comment again. Good Luck! Mike

Oct 16, 2009 | Bunn VPR Coffee Maker

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What's happening is that it isn't leaking, it's boiling over. You need to turn down the thermostat under the top lid. Also, before you brew coffee, add water to the tank and let it pour into an empty pot. Once it stops brewing, let it heat up for a few minutes then make your pot of coffee.

Jan 02, 2009 | Bunn Pour-Omatic Coffeemaker, 10 Cup White

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BUNN VPR


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.

Jul 19, 2008 | Bunn Pour-O-Matic VPR

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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.

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