1553 HANOVER ST.

REMOVE AND DISPOSE OF THE EXISTING OIL-FIRED BOILER AND BELOW-GRADE OIL TANK. FURNISH AND INSTALL ONE NAVIEN NFC-250/175H HIGH-EFFICIENCY PROPANE COMBINATION BOILER, INCLUDING CONNECTIONS TO EXISTING HEATING AND DOMESTIC HOT-WATER PIPING, REQUIRED VENTING, CONDENSATE DRAINAGE, AND NEW PROPANE GAS PIPING TO THE TANK LOCATION (NEW PROPANE TANKS BY OTHERS). PRESSURE-TEST, START, AND TEST THE NEW SYSTEM FOR PROPER OPERATION.