This reliable brewer can make up to 3.9 gallons of coffee per hour directly into thermal carafes (sold separately), which in turn keep the coffee hot and fresh for hours at self service stations or server areas. With this unit's capabilities, you'll never run short on hot, delicious coffee. That way you can keep your guests satisfied and happy. The Bunn CW13 thermal carafe coffee brewer has a black plastic funnel to direct fresh coffee right into your existing thermal carafe. The Bunn CW15 TC pourover thermal carafe coffee brewer has a 120V, 11.4 amp, 1370 watt electrical rating.