Specifications include, but are not limited to: 1) All work will be completed on Burham Boiler, Model #DLG-315P, Serial #25283. 2) Remove and replace failed burner manifold assembly. 3) Remove and replace the gas manifold with the removal of all the refractory around the burner manifold. 4) Replace manifold assembly with new stainless steel manifold, diffuser, oil nozzle tip, swirler, pilot . 5) Reinstall burner onto boiler. 6) Replace refractory around Burner, reconnect main gas line, pilot line, vent line, oil lines, all wiring. 7) Reinstall start up burner on gas set input, adjust for gas firing. 8) Start-up on oil set, input adjust for oil firing. 9) Combustion test gas/oil, check all controls for operation.