Specifications include, but are not limited to: Remove and dispose existing Boiler, Pumps, Expansion Tank, Feed Water Tank, Feed water Pump and associated piping. Install new High Efficiency Modulating Condensing Boiler, pumps, boiler feed water tank, new bladder style expansion tank, automatic pump lead lag controller, automatic pump and boiler enable control based on outdoor air temperature, Emergency Stop Switch, Piping as shown on this plan. Flush entire system before connecting to the new boiler and pumps. Flush system once new pumps and boiler are installed. Fill system with filtered water having a PH, Chloride, conductivity and TDS within the boiler manufacturers spec and with a with a 30% Glycol mixture for bust protection only. Program the boiler control for outdoor reset control, use a scale of 140-degree heating water at 70 degrees outdoor air temperature and 180 degrees heating water temperature at 15 degrees outdoor air temperature. The outdoor air sensor must be located on the North side of the building and away from any heat sources. Install per this plan and follow all manufacturers installation instructions.