The Bunn leaks. We have tried from the start and the water just runs out

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.

This could be the coffee powder absorbing water. Try running a brew with no coffee powder. If the level is correct you know the powder is absorbing the water. If not it's likely being list via steam/evaporation and/or a leak.

Tank and tank components should be delimed regularly
depending on local water conditions. Excessive mineral build-up
on stainless steel surfaces can initiate corrosive reactions resulting in serious leaks.

Have you tried running vinigar or a cleaner throught with the water or running a wire up it .Sometimes they plug up withlime and will not allow the water to run.Be sure and rinse it well after the cleanser so everything runs clear and you may have to do this two or three times, depending on how pluged it is.

If it is leaking out past the filter basket, it can be fron two things- either the basket edges are worn out, and is allowing water to leak past it, or the hole is being partially blocked by scale or caked coffee. in the first case, try replacing the filter basket. In the second case, you can either clean out thr hole or try running a drill bit through it to clear the hole.

Is this a lot of water, or just a small amount.

As the unit sits over time and runs heating cycles, it may have some vapor come out of the vents. That will cool and collect around the unit.

try turning the unit off for the weekends. If you still have water around the unit, then it may have a leak in the tank.

there's probably a 'silicon rubber' hose that feeds hot water to the 'grounds basket'- it may be loose, or damaged. is it leaking water, or coffee?? we have a bunn 8-cup, which has a pre-heated water tank that brews a pot in about 3 min. energy waster, but when you need coffee, you need coffee!!! is your filter holder properly centered? is the carafe lid hole clean and un-obstructed?
if it's leaking water, and not too costly to replace- you may consider replacing it with a new one!
good luck!

Yes Bunn will send you a repair kit free of charge. Just apply a bead of silicon below the rubber gasket before you tighten it down and it will solve the problem.

I obtained Bunn washer seal repair kit from buy-it-now-store.com for $6 plus $7 S&H and it solved the problem.

there is an overfill tube in the rear that may be leaking.