+1 on the water witch. I used one on my boatsense high water alarm. No moving parts. Had it for 6 years, never failed.
From: CnC-List [mailto:cnc-list-boun...@cnc-list.com] On Behalf Of Jean-Francois J Rivard via CnC-List Sent: Monday, March 23, 2015 9:10 PM To: cnc-list@cnc-list.com Subject: Stus-List Bilge Pump now Bilge Pump Switch Just to be clear. The Water Witch switch <https://www.waterwitchinc.com/new/SiteElements/Pages/SecondaryPages/Product s/BilgeSwitches.html> https://www.waterwitchinc.com/new/SiteElements/Pages/SecondaryPages/Products /BilgeSwitches.html is 100% solid state with no floats or any moving parts. It doesn't cycle needlessly either, It just has one or 2 "sensor" plates (depending on the model) that probably measures + voltage to ground difference / conductivity. Long story short: It knows when the bilge water level is above the threshold, even with some oil (Transmission leak, another story) and other crud it has never miss-fired or failed. So far, fool proof and used by both Canadian and US coast guards if that means anything.. Regards Francois Rivard 1990 34+ "Take five" Cumming, GA
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