Our Products

Raw water failure is the most common problem with marine engines.

Within a short period of time several thousands of dollars of damage to engine or wet exhaust system can occur.

All our systems consist a fast acting, easy to install, thermal band sensor. The sensor quickly detects loss or restriction of raw cooling water well before engine over heats or damage to wet exhaust components. Two sizes of stainless steel band sensors fit wet exhaust hoses from 2″ to 10″ diameter. For larger diameters inquire. Standard tinned copper sensor cable is 10 ft long.

Single Raw Water Alarm


Dual Raw Water Alarm


Single (2.5″ x 2.5″ x 1.5″D) with sonic and red LED visual indication. Flush mount, requites 2″ dia. cut out. Single supplied with one band sensor. Select band size when ordering.

Optional Remote Alarm



Optional Indicator Remote Alarm



Typical Band Sensor Installation on Exhaust Hose

Build a Custom Alarm Panel
Prices starting at $79 ea.

Custom alarm panel can have up to 4 inputs. Each input can have label 2 lines of up to 4 letters long. Alarm panels consist of up to 4 visual LED indicators, 95dB sonic horn and auto reset mute switch. Panels are flush mount 3″ H x 2.5″W x 1.5″D. Standard panels are 12VDC. 24VDC can be ordered as Special.

Build a Custom Alarm Panel

LABELS (each label can be two lines 4 letters long).