7800-PSW-100 Delavan Pressure Switch Assembly For Demand Style Pumps Delavan 60 - 100 PSI pressure switch assembly Delavan Series 5800, 5900, 7870, 7970 7801, 7802, 7811, 7812 & 7822FS series pumps 7812 & 7822FS I-Series pumps 5800/5900 and 7870/7871//7970/7971 FB2 & FB3 Series Pumpss Replaces 7800-PSW
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