Weil-McLain Ultra 155 - 123,000 BTU Output High Efficiency Boiler (Nat Gas or LP)

Note: Product Title reflects this boiler's IBR Net Output Rating Propane Conversion Orifice included for LP Gas Applications Easy-up Manifold Installation Options: 383-500-661 Ultra Easy-Up Manifold Kit for Ultra 155 (1-1/2" Piping) The Ultra Easy-Up Manifold Kit can speed up installation of the primary/secondary piping required on Ultra boilers. Weil-McLain's Easy-Up manifold kit is designed by the boiler manufacturer and provides the added feature of optional indirect water heater connections. 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...