Description
- PlusOne Energy Efficiency: ENERGY STAR certified, featuring 92% AFUE across all model sizes.
- PlusOne Diagnostics: Industry-first, 7-Segment LED for quick and easy service.
- PlusOne Ignition System: Proven Direct Spark Ignition (DSI) for reliability and longevity.
- PlusOne Water Management System: Ruud-exclusive patented block drain sensor that automatically shuts off the furnace when the drain is blocked and alerts the contractor via diagnostic code.