A handy service kit for maintaining and repairing your Fish-mate 1800 Pond Pump. Regular maintenance will help prolong the life of your pump and keep your pond cleaner for longer. Fish-mate pond pumps are a very popular choice among pond keepers. They are cost and energy effective, yet still offer a superb performance. Fish-mate have made sure that the service kits contain everything that you might need to maintain or repair your pump quickly and easily. Before and after servicing please ensure that any blockages have been removed as to not damaged the pump parts Each kit includes: Impeller. Impeller cover. Magnetic rotor. One way arm/pin.