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My Bunn coffeemaker NHB is leaking from the bottom onto my counter. Can this be fixed?

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If you will call Customer Service with your Model and Date Code located on the bottom of the brewer, we can assist you with this problem.

Posted on May 19, 2010


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How to fix leaking Bunn coffeemaker nhbx-b

Check the couplings of the rubber hoses to/from the heating element.

Apr 08, 2016 | Bunn NHB Coffee Maker

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How to fix a leak on a bunn NHBX coffee maker

The leak is most likely between the water reservoir and the tank. Bunn uses a soft silicone seal for that connection that gets compressed over time and starts to leak water whenever you make a pot of coffee.

It's planned obsolescence. Bunn won't sell you a new seal. So you have to improvise. But it's simple enough to do.

Remove the top cover and the plastic water reservoir right below it. Don't tamper with the little valve that opens when you close the lid.

Look for the seal. It could be stuck to the bottom of the reservoir, or sitting loosely on top of the metal tank. Make sure to preserve its top-to-bottom orientation (don't put it back in upside down).

Apply a narrow bead of clear silicone into the grooved side of the seal. Press the seal gently onto the reservoir, then apply a thin layer to the smooth side.

Re-install the reservoir and reassemble the unit.

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You will need any multimeter to test this but it may not be a bad switch but rather a failed heater element. You can buy these on line very cheap or at Radio Shack and auto parts stores. Don't spend over $20 (I have several bought for <$5). The added features or claimed accuracy won't do a layman any good.

Aug 05, 2011 | Bunn NHB Coffee Maker

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Bunn NHB model leaks water out of the bottom

Please call customer service at 800-352-2866 with the date code from the bottom of your brewer. We will be happy to assist you with this issue.

Dec 31, 2010 | Bunn NHB Coffee Maker

1 Answer

My NHB bunns coffee maker leaks from the bottom when brewing. Is there an easy fix?

If you will call Customer Service at 800-352-2866 with the model and code date, we will be able to help you resolve this issue.

Aug 28, 2010 | Bunn NHB Coffee Maker

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I have a Bunn coffeemaker and it is not that old. It leaks from the bottom when you fill it with fresh water for a new pot of coffee. The number is NHB code date is 204305. Do you have any ideas?

The brewer probably has a bad seal or gasket. By the date code, your machine is 5 years old. If you call Bunn Customer Service they will be able to offer you an exchange of your old brewer for a new one at a reduced price.

May 29, 2010 | Bunn NHB Coffee Maker

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Water seeps from under the bunn coffeemaker about 1 cup of water has to be dried off countertop, can this be repaired?

If you can provide the date code located on the bottom of the brewer, I will be happy to offer a solution to your leaking problem.

Jan 09, 2010 | Bunn NHB Coffee Maker

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Unable to remove our sprayhead from our Bunn NHB Coffeemaker

You might try putting a butter knife underneath the sprayhead to remove it. If this doesn't work, then please contact customer service and request a tool that can be provided to remove the sprayhead.

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Bunn coffeemaker

If you still have warranty on the machine take it in to the nearest service center.
Its probably a lose pipe in the machine. so if you dont have warranty left just open it up and look for lose pipes and reconnect them.

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