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My Bunn coffee maker is leaking water - Bunn GR10 Coffee Maker

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  • Anonymous Jan 30, 2009

    i have older bunn pour-matic when i pour water in to brew it leaks outright-side rear about 1/4 cup

  • Anonymous Mar 28, 2014




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Does it leak all of the time or just when you pour it in. There are a couple of solutions. There is a tank inside and a pan that leads the water to the tank. There is a gasket between the basin pan and the tank. It could be leaking from there but that is pretty rare. Generally what happens is that the basin may get chips or scale that builds up around the basin to tank access nut. The nut secures the basin to the tank with a flat,round silicone gasket between them to keep water from leaking. If scale impeads the free flow of water from the basin to the tank the water backs up and will give the impression of a brewer leak. I haven't worked on one in awhile but there are two screws that hold the pour over top to the brewer. The top can carefully be removed and a visual inspection is done (remember to unplug the brewer) to see if the access nut is clear. The lime could be in the nut or just below and inside the 3/8' hole that leads the water to the tank. Bunn makes a delimer spring that is used to clean out the sprayhead that I use to clean that nut. Speaking of sprayhead, if the leak happens during brewing and seems to come from the front take the brewbasket away and run about a half a pot of water through the brewer and see if it comes through the sprayhead's 5 holes. If it dribbles and doesn't fan out into the pot, or tracks along the roof of the brewer and drops down the side or back clean the sprayhead and try again. Also if it is the A10 or B8 I would run your delimer spring through it. If you don't have the spring you can get one at your local Bunnomatic representative's office. Or call Bunnomatic in Springfield, Illinois and they can send you one and instructions of how to use it. The picture of the bunn I am sending you is of a restaurant model but uses a pan just like the smaller bunns. This one is stainless but the principle is the same. The nut right by the 1/4" spicot is the water access nut, just like on yours. They will clog and leak, but I would check your sprayhead and the free flow of water from it before I do anything else. If it isn't either one of the solutions I have spoke about it could be a tank gasket or worse. Rick in IndyMy Bunn coffee maker is - 91db15f.jpg

Posted on Aug 21, 2008


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SOURCE: BUNN BX-B Coffee Maker Leaking

is it the water container that leaking the best thing to do is open it maybe is a loose pipe or dry pipe connected to water container and if it the water container use 5 or 1minute epoxy cheers

Posted on Jan 29, 2008

SOURCE: Bunn Coffee Maker Leaks out the bottom

Contact Bunn and they will send you a free repair kit with good illustrated instructions.

Posted on Aug 17, 2008

SOURCE: my bunn coffee maker leaks

Experiencing same problem. Appears there may be a recall depending on your model and production date. I suspect it is the small seal washer where top fill tube attaches to the top of the tank. Water leaking here would flow done inside the round steel body and leak out bottom.

Posted on Aug 18, 2008

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SOURCE: Water supply for Bunn coffee maker

open the cover on the brewer- depending on your model, it could be the front or the back cover. look for a brew timer dial. turn this up slowly, running a brew each time to see if you now have a full pot

Posted on Feb 10, 2009

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SOURCE: Bunn coffee maker leaking from underneath the bottom

Please get the model and the date code from the bottom of the machine and contact customer serivce. Depending on the date code, there might be a seal kit available or the machine can be replaced at no cost if 3 years old or less. If it is over 3 years old and the seal kit isn't available, the machine will be replaced at a reduced price.

Posted on May 19, 2010

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