PlusOne® Energy Efficiency: ENERGY STAR® certified, featuring 95% AFUE across all model sizes
PlusOne® Diagnostics: Industry-first, 7-Segment LED for quick and easy service
PlusOne® Ignition System: Proven Direct Spart Ignition (DSI) for reliability and longevity
PlusOne® Water Management System: Rheem-exclusive patented block drain sensor that automatically shuts off the furnace when the drain is blocked and alerts the contractor via diagnostic code