Ultra 105 - 81,000 BTU Output High Efficiency Boiler - Series 4 (Natural Gas or Liquid Propane)

Details

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. This gas fired water boiler with cast aluminum heat exchanger features a venturi mixing body mixes air and gas providing higher efficiency. Designed to operate in low temperature condensing applications has an outdoor reset and domestic hot water priority standard. The negative regulated gas valve precisely delivers gas to the boiler and the electronic control module automatically adjusts blower speed and gas flow rate in response to environment. The system modulates with 5 to 1 turndown ratio and the variable speed motor matches combustion output to heating need. Designed with a high grade stainless steel burner which features quiet operation, high efficiency, and cleaner combustion for low NOx applications.