* Engine Overheat Detector

Multi-voltage, works with 12v, 24v, 32v

This boat engine alarm, Engine Overheat Detector, is a two terminal, non polarity, normally open detector that closes when boat engine temperature reaches 200 F and activates a visual and/or auldible boat alarm device.

It is 1/2′ MPT that installs into a 1/2′ FPT plugged hole in the engine