• Fan On Plus™ technology lets you choose the speed of continuous fan operation with a compatible control
• QuieTech™ noise reduction system
• Pilot-free PerfectLight™ ignition
• Insulated cabinet for quieter operation
• Low NOx models available (811SA)
• 20-year limited warranty on heat exchanger³
• 10-year parts limited warranty upon timely registration²

¹To the original owner, when product is used in an owner-occupied residence, a 20-year heat exchanger parts limited warranty upon timely registration of your new equipment. See warranty certificate for details

²To the original owner, when product is used in an owner-occupied residence, a 10-year parts limited warranty upon timely registration of your new equipment. Warranty period is 5 years if not registered within 90 days. Jurisdictions where warranty benefits cannot be conditioned on registration will automatically receive a 10-year parts limited warranty. See warranty certificate for complete details.

³20-Year Heat Exchanger Limited Warranty. When used in an owner-occupied residence. See warranty certificate for details.