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The Freshroast SR540 Extension Tube is 8.5″ Tall.  It comes with high-temperature silicone bands for the bottom and one double lip seal for the midsection.  This glass extension tube is made to help the SR540 with bean movement and better heat output.  This tube is to be used with the original chamber and chaff basket.   This SR540 Extension tube will allow the machine to run on lower fan and heat settings once the beans get lighter in weight.  We usually finish with FAN 2, and HEAT 1.  This will be very useful for any users that have a harder time with their supply voltage being slightly inadequate.

*The SR540 is designed to roast 4oz of green wet-processed coffee beans.  Going above the specified amount of green coffee can run the risk of plugging up the chaff basket and causing a chaff fire. The user must inspect and monitor the chaff basket for fullness and adjust the bean quantity as needed.

*Do not leave roaster running while unattended

*Stock glass roasting chamber not included.


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