Ahh, why? These are really small home units that are not worth the time to fix. It will take an hour to replace to add to the cost of shipping and parts.
* you can find Bunn manuals on-line but go directly to Bunn.com don't get side tacked with "manual" as those sites charge you for the download.
* If your really curious then most of these small brewers have a single element that are usually coiled to fit the bottom of the tank. Most are like this but you may find a few that are U shaped though they are usually found in metal tanks. the plastic tanks keep the elements small and near the bottom to make sure it does not melt the tank if the water is very low.
* The element should be a copper clad tube, sometimes chromed or silvered to give the copper more protection. A used one may be covered with some calcium deposits. Heaver deposits will drop the efficiency and make it harder to remove (thus more labor) Brewers at this level of usage is best if replaced.
* There should not be any holes or "exploded", Ripped cuts in tube as it has a heating wire inside with a white powder to keep it centered within the tubing. If water gets inside it shorts to ground and boils without stopping. this will usually short out the tank and blow the thermal fuse. Either way, lots of damage and more parts to replace.
* Replacement will require all the washers and new lock nuts with a possible tank replacement if it leaks when you removed the element. As mentioned earlier; lots of labor.
* Final; I hope you called your vendor. If still under warranty they will probably just replace the whole unit.
Aloha! ukeboy57
PS. Don't feel bad. I'm a retired tech with nothing but time to type this long reply. Yes I've got a whole garage filled with old machines that need fixing. But who's got the time! LOL
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