Weil-McLain Ultra 80 - 80,000 BTU High Efficiency Boiler (Nat Gas)

**Series 3 Ultra Boiler Key Features - Gas fired water boiler with cast aluminum heat exchanger - Venturi mixing body mixes air and gas providing higher efficiency - Designed to operate in low temperature condensing applications - Outdoor reset and domestic hot water priority standard - Negative regulated gas valve precisely delivers gas to the boiler - Electronic control module automatically adjusts blower speed and gas flow rate in response to environment - Modulates with 5 to 1 turndown ratio - Variable speed motor matches combustion output to heating needs - High grade stainless steel burner features quiet operation, high efficiency, and cleaner combustion for low NOx applications.