Question about Bunn CWT 15-3 (3 Lower Warmers) Coffee Maker
The CWT 15-3 has a water tank that can be filled by a water line attached to the machine or by removing the thumb screw on top of the machine near the front. The screw holds a small cover about 2 by 6 inches that lifts off. You can use this to pour water in if you don't have a waterline hookup. This is the tank opening into which you will pout a quart of vinegar to descale the machine. Also this machine has a long thin spring with it from the factory. If you remove the brew funnel, then unscrew the sprayhead above the brew funnel, you can descale the tube that carries hot water from the tank to the brew funnel. Just snake the spring into the tube where you unscrewed the spray head, and slide it in and out until you no longer see scale on the spring. When you pour a quart of vinegar into the machine let it sit for 20 to 30 minutes and then flush with 3 or 4 carafes of water. This should remove the scale from the tank. In areas with hard water and high usage of the machine, one cycle of vinager may not be sufficient to totally remove all the scale. Repeat as necessary until the water is clear.
Posted on Sep 14, 2010
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Posted on Jan 02, 2017
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