This Raw Water Flow Alarm / Detector is designed to be inserted into an adapter or it can also be drilled and tapped into a ridged nipple or plumbing.
Monitors Marine Engine Raw Water Flow to prevent engine damage due to overheating. Activates a visual or audible 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 3-4 GPM of raw water flow. It stays open until flow slows or ceases and then actives any audible or visual boat alarm or marine alarm
It monitors raw water flow and the paddle design is ideal for easy operation and it resists debris build-up.