- Ultra Low NOx burner technology- meets 14 ng/J NOx emissions limit for California's South Coast Air Quality Management District and San Joaquin Air Pollution Control District.
- Multi-speed blower is customized to your home for comfort
- Insulated cabinet for quieter operation
- 20-year limited warranty on heat exchanger3
- 10-year parts limited warranty upon timely registration2
LegacyTM Line 80 Multi-Speed, Ultra-Low NOx Gas Furnace830SA
An excellent choice for environmentally conscious homeowners. Our Legacy™ Line ultra-low NOx gas furnaces deliver warm winter comfort and 65% lower NOx emissions compared to a standard, low-NOx model.
Gas Valve Type: Single-Stage