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NEW Nilfisk Hot Pressure WashersPressure WashersMachine Parts by BrandPumps & SparesPopular High Pressure HosesHose ReelsNozzlesPressure Washer TriggersUnloader ValvesInterpump Service KitsComet APS Series high pressure diaphragm pumps with 3 to 5 membranes, from 28 to 169 LPM and 40 to 50 bar, for electric, engine or PTO drive. Models include the APS31, APS41, APS51, APS71 and APS101 with 3 membranes and the APS141 and APS166 with 5 membranes. Check the Comet part number before ordering.