https://www.hydrocheckproducts.com/
Electronic Float Switches | HydroCheck
HydroCheck is a family-owned business that specializes in the design and manufacturing of electronic float switches for sump and utility pumps.
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https://www.islandwaterworld.com/plumbing/pumps/bilge-pumps/switches/float-switches
Island Water World | Float Switches | Switches | Bilge Pumps | Pumps | Plumbing
Island Water World is a chain of marine chandleries serving Caribbean sailors for over forty years. Shop online now for marine parts and boat accessories.
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