13209 Cooling Water Flow Detector-Low Flow -1in FP


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Especially designed for smaller engines with 1/2" ID and 3/4" ID Raw Water Hose. Now, with Paddle Type Detector for more reliable performance and an upgrade to a heavy duty 3.0 amp switch that replaces the old 0.5 amp switch. 12v,24v, 32v

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. is a two wire, non- polarity switch that is Normally Closed (Normally Open available) and opens at 1.5 GPM of raw water flow. It stays open until flow slows or ceases and then actives any audible or visual boat ala