* Save Your Engine Kit - 1-1/2in inch hose size
Available in 12v,24v, 32v
Monitors Raw Water Flow Sounds Alarm and activates Red Light panel if cooling water flow stops.                   For 1-1/2in MPT  hose size Includes Flow Detector, 85db Piezo Buzzer, and Red Light Panel 5ft of Marine Grade Tinned Wire leads Prevents engine overheating due to flow obstruction such as debris, “baggies”, or sea weed. Alerts to flow loss due to intake impeller damage or decreased power.
Also available in 1in (20064) and 2in (20063)
http://www.aqualarm.net/datasheets/20062,_63,_64__DATA_SHEET.pdf |