17308710 13022918 10035201 488095 12343702.2 ER520NPPH ER510S 861502 12358733 861502 12358733 ER520NPPH Supporting frame Diaphragm Leakage Indicator by Pressure Switch ER511-A1-003.2 Substitution 13324926, 2;Diaphragm; 10306262, ;