Tender For supply of maintenance of hsd fired hot water generators,overhauling of existing 3 no. of 400000 kcal hsd fired hot water generator,over hauling of existing 2 no. of 200000 kcal hsd fired hot water generator,overhauling of fcus and hot water pipe line,class o nitrile rubber elastomeric insulation,aluminium cladding over insulation,servicing of window type airconditioner unit,servicing of split type airconditioner,supply of spare photo cell,supply of spare fuel pump,supply of spare burner nozzel,supply of spare glass for boiler,supply of spare fuel filter for boiler,supply of spare pressure switch,supply of spare pressure gauge 10 kg per cm2,supply of spare bush for fcu motor,supply of heating rod,supply of piano type switch for 1500 watts room heater pillar,supply of 1500w room heater,repair of existing oil heaters,repair of existing water geysers