Axiom dual-voltage airpot coffee brewer easily convertible by flipping a switch to: – 120 volt, 12.5 amp – 120/208 volt, 13 amp – 120/240 volt, 15 amp brews 4.2 to 7.5 gallons (15.7 to 28.4 litres) of perfect coffee per hour. for high lime areas, brewlogic technology calculates flow rate and adjusts brew time to maintain consistent pot levels. brewwizard technology simplifies brewer programming with a lcd display. Set brew level, cold brew lock-out and tank temperature from the front of the machine. convenient airpots keep coffee hot and fresh for hours. airpots are easily transported to remote meeting rooms, breakfast bars, etc. brews directly into 1.9 to 3 liter airpots. ensures coffee brew quality with cold brew lock out capability. electronic diagnostics and built in tank drain make service easier. coffee extraction controlled with programmable pre-infusion, pulse brew and digital temperature control. hot water faucet. splashgard funnel deflects hot liquids away from the hand. energy-saver mode reduces tank temperature during idle periods. electrical: if wired for 120v, requires 2-wires plus ground service rated 120v, single phase, 60 hz.if wired for 120/208v or 120/240v, requires 3-wires plus ground service rated 120/208v or 120/240v,single phase, 60 hz. Plumbing: 20-90 psi (138-621 kpa). Supplied with 1/4″ male flare fitting. Tank capacity: 200 ounces (5.9 l) other: based upon incoming water temp of 60f (140f rise) per 1/2 gallon brew time of 4 minutes.