bids are invited for custom bid for services - annual maintenance contract (amc) of water purifiers installed at sewa-ii power station - amc of kent ultra 60l/hr , amc ofkent grand ro+uv 20l/hr , amc of blue star sdlx680uvro with cooler 80l, 60l/hr , amc of aquaguard eureka forbes commercial uv withcooler (80pss uv) 80l, 60l/hr , amc of uv based water purifier, model kent ultra 8l , amc of zero-b ro+uv storage water cooler cum purifier 80 ltr zero-b, model ro+uv 608050 cc basic , aquaguard candle 20 , aquaguard activated carbon 20 , aquaguard candle 9 , aquaguard activated carbon 9 , aquaguard ro membrane , kent sediment filter , kent activated carbon filter , kent uf membrane , kent ro membrane , zero b candle 9 , zero b activated carbon 9 , zero b ro membrane 100gpd , ro pump , kent smps dual , pcb classic for aquaguard purifier , uv l 8watt for aquaguard purifier , solenoid valve with coil , photo register , diverter , cooler tap