Preform maintenance on (1) Weil McLain high efficiency gas water boiler with (3) radiant heat zones and (3) Carrier hydro air handlers -(2) have zoning: WEIL MCLAIN HIGH EFFICIENCY BOILER: The boiler and most components are covered in cellulose insulation, dust and debris. Old and broken components for the system are scattered around the boiler room. - shut power to boiler - Open up cabinet doors - Found heavy debris / leaves / and corrosion inside the boiler - Vacuumed and dusted out boiler cabinet and components, boiler piping and components and boiler area - Removed flame sensor and igniter: cleaned with copper bristle brush and published with steel wool - Inspected inside of heat exchanger and found heavy corrosion - Remove the condensate trap of the bottom of the boiler, brushed and flushed clean and prime with freshwater - Perform full maintenance on condensate pump and reassemble - There is a neutralizer kit that is mounted to the floor of the boiler room, but is not connect