Details: charges of annual maintenance contract of water cooler (included wiring, waste water tray pipe, motor of fan replacement with old buy back replacement of fan blade with old buy back compressor replacement with old buy back tank replacement with old buy back thermostat running capaster starting capaster waste water tray gasket replacement float valve side panel assy -l.h. side pane assy-r.h. relay cartridge charges, if water cooler require to carry at workshop over load protector trough water cooler repair painting complete body condenser coil vase water tap with old buy back repair of compressor gas charging