11 Valves being parts of home furnaces, industrial furnaces, and industrial boilers, namely, fusible valves, non-fusible valves, lever valves, all-purpose valves, check valves, tank filter valves, sludge bypass valves, offset valves, inline valves, fire valves, and angle valves; Structural and replacement parts for heating installations, namely, fill boxes for furnace and heating boiler oil tanks, fill caps for furnace and heating boiler oil tanks, and vent caps for furnace and heating boiler oil tanks; Structural and replacement parts for furnaces and boilers, namely, bushings specially adapted for furnace and heating boiler oil tanks, empty fuel oil replacement cartridges specially adapted for furnaces and heating boilers, and handwheels for furnace and heating boiler fusible valves