Question about Bunn NHB Coffee Maker

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My bunn NHBx pumps water to fast and it overflows the filter

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  • Gerry Haverland Dec 22, 2008

    I have one that does the same thing! We replaced one we have had for 5+ years due to cracked water bin, but the new one runs the filter over every time!

  • Denny Adams
    Denny Adams May 11, 2010

    is the shower head still on it?



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  • Master
  • 547 Answers

Remove the little rubber stop on filter basket but you now have to wait for coffee to finish before takeing coffee

Posted on Feb 11, 2009


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Related Questions:

1 Answer

How to remove the top water resivour from a nhbx bunn coffee maker

lift filler led and remove 2screws on top of reservoir
Then remove 4 screws that hold the reservoir on an you should be able to lift it off

Sep 03, 2014 | Bunn NHBX-B Contemporary 10-Cup Home...

1 Answer

Bunn nhbx leaks water

lift filler led and remove 2screws on top of reservoir
Then remove 4 screws that hold the reservoir on an you should be able to lift it off

Jun 30, 2014 | Bunn NHBX

1 Answer

New Bunn NHBX takes about an hour to make 10 cups of coffee. Water is dispensed drop by drop instead of a stream. 4 dispensing holes are clean

It sounds like you might have a problem with the water tubing. If you will call Customer Service at 800-352-2866 we will be happy to assist you with this issue.

Sep 21, 2010 | Bunn NHBX-B Contemporary 10-Cup Home...

1 Answer

I have a bunn coffee maker the nhbx is the # it is leaking water from the resevoir

Please give Customer Service a call with the model and date code. If the machine is 3 years old or less, it will be replaced with a new machine. If it is older than 3 years, it can be exchanged for a reduced price.

May 12, 2010 | Bunn NHB Coffee Maker

2 Answers

Keeps spilling over during brewing

These tanks can't actually be overfilled since all water poured in displaces the exact same amount of water coming out the spout. So, whatever amount of water you pour in, will be the same amount of water that flows to your pot minus the amount absorbed by the coffee grounds and filter.

Your problems sounds like an undersized (Non Bunn) filter, or clogged brew basket. To verify this, try pouring in only half the water for your brew cycle and wait for it to finish dripping, then pour in the rest. If no overflow has occurred, you simply have the wrong type of filter. If overflow begins again, you have a clogged brew basket, since no Bunn can flow too fast for the brew basket to keep up with it.

This is because Bunn filters are manufactured differently than generic store bought paper filters. They will flow faster, brew cleaner and stand up better than normal generic filters.
Remember, Bunn makes their OWN filters for good reason.
They made the first, best paper filters for drip coffee pots, and all others are just generic dioxin gas producing paper.

Mar 05, 2010 | Bunn VPR Coffee Maker

1 Answer

Over running, doesnt drain thru filter as fast as its pumping in

Sometimes this happens if you use filters that are too thick for the brewer. If you are using Bunn filters andthis keeps happening , up above your filter basket, there is a sprayhead. Turn that off, and look at it to see if it is plugged up.If there is no sprayhead, then that could cause your filter basket to overflow, as too much water will be coming into the basket too fast.

Nov 22, 2009 | Bunn 10 Cup Home Coffee Brewer

2 Answers

No manual with Bunn NHBX coffee maker.

before plugging in place your empty filter basket in the coffee maker and place a pot under it. Slowly pour in two pots of water using the pour pitcher. Now you can plug it in. it'll take 15 min to heat up first time . when you brew your first pot leave your water level a little short,because the water will expand (only the first time)

May 06, 2009 | Bunn NHBX-B Contemporary 10-Cup Home...

2 Answers


The Bunn needs Bunn filters because they are thinner and let water through faster. The cheaper filters will overflow. Bunn's claim to fame is fast...this is just part of the fast process.

Nov 15, 2008 | Bunn NHB Coffee Maker

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