The Comet MP20 and MP30 Pump Repair Kit (5026.0080.00) contains replacement parts that can be used to restore the damaged ones on your Comet MP20 and MP30 Diaphragm Pumps.
You can check if the diaphragms need to be replaced if the oil turns into a milky grey color. Stop running the pump and replace the diaphragms immediately. Using a diaphragm pump with damaged diaphragms can ruin your pump and end up costing you much more money in the long run. Having this repair kit on hand will provide a cost effective method of restoring your pump's diaphragms.
The Comet MP20 and MP30 Pump Repair Kit comes with: