Keep coffee hot while brewing fresh pots with the Grindmaster - B-3WR - Precision Brew® Automatic Coffee Brewer with Side Warmers. The automatic digital coffee brewer (B-3WR) has one warmer underneath the brew basket and a tier of two warmers on the right side. You can hold up to three decanters in one location so there’s always a hot supply on hand. The brewing features extract up to 20% more dissolved solids, and it switches to pour-over mode automatically when there is no water connection. The Grindmaster Precision Brew® Automatic Coffee Brewer with Side Warmers (B-3WR) holds temperatures steady within one degree of the brewing cycle.