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Bunn SRU Coffee Urn

We purchased 3 used Bunn SRU units and do not have DETAILED cleaning or regular maintenance instructions. The manual does not give enough information. We have had some problems with overflow issues and suspect that the cleaning issues are behind the problems. Please Help Me!!

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Re: Bunn SRU Coffee Urn

All bunn-o-matics have a cleaning spring that goes into the water tube once you unscrew the sprayhead. if you want to take the unit apart go this route. unplug the unit. remove the sprayhead. remove the two screws atop the unit and there's a brass fitting that screws into the canister's top. remove this then remove the tray. when you have the top off you'll see the canister that holds the water. it holds three potfulls of water. there's two wires that go down around the canister. this is the warm element. on top of the canister is a round dime like device. this is the brew sensor and disconnects the main element when a pot is brewed. in one corner you'll see the thermostat. this determines the brew pot temperature. there's a cappillary that goes down inside the canister. where the sprayhead is is a nut. remove this and the whole canister can be removed. you'll find after you remove the top of the canister that deposits are hard caked along the inside walls of the canister where the warmer element is located. scrape this off. replacement parts can be had at the bunn site.

Posted on Oct 07, 2007

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The metal proble is use to clean out the water tubing. Remove your sprayhead and insert the metal rod up in the hole leaving out about 1-2 inches. Then simply twist and turn the rod about 5-6 times. This will remove any lime deposits. Then flush out with 2-3 decanters of water. You can obtain a new manual by calling customer service or going to the going to @home, then products-click on your brewer-and then select use and care manual and you can print it out or view it online.

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