This Engine Overheat Detector is a two-wire, non-polar, normally open detector that closes when the engine's cooling water temperature reaches 200°F. It is wired to, and activates, a visual and/or auldible boat alarm device.
•Multi-voltage — works with 12, 24 or 32 volts DC
• Sender has 1/2" MPT and installs into an available 1/2" FPT plugged hole in the engine block
This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm.
www.P65Warnings.ca.gov