Engine cooling circuit flow switch

for ships

Monitors Marine Engine Raw Water Flow to prevent engine damage due to overheating. Activates a visual or audibile device immediately whenever raw water flow is stopped or impeded. It is a two wire, non- polarity switch that is Normally Closed (Normally Open available) and opens at 6 to 8 GPM of raw water flow. It stays open until flow slows or ceases and then actives any audible or visual boat alarm. The Aqualarm Cooling Water Flow Detector is unique in the marine electronics industry, developed and patented specifically for marine engines. It activates an immediate alarm (not included) upon loss of raw water flow to the engine. With today's polluted bays and harbors, it is quite easy to ingest debris or a plastic baggie, interrupting the flow of cool water to the engine. Flow detector available in three sizes.