I have something like this. These air pressure switches work very well and don’t get gummed up as float switches often do. https://www.defender.com/product3.jsp?name=groco-bilge-pump-control-kit&path=-1|51|2856131&id=211405 Andy Masquerade
Andrew Burton 26 Beacon Hill Newport, RI USA 02840 www.burtonsailing.com http://sites.google.com/site/andrewburtonyachtservices/ +401 965-5260 > On Mar 15, 2020, at 09:54, bwhitmore via CnC-List <cnc-list@cnc-list.com> > wrote: > > As for the Water Witch, I had a similar experience (only in the opposite > way), The switch would get contaminated and would stay ON, generally a much > more problematic issue. > > I went back to the Rule flapper float switches. Not a perfect solution, I > will agree. > > As for having a manual switch, I have two made by Rule with an > on/off/automatic switch position and an LED light that turns on when the pump > is running. I really like the light, and have a story related to it: > > We had just gotten Astralis and were leaving the harbor to motorsail 120 > miles up to Madeira Beach. About a mile out of the marina, I put a buddy at > the helm to go down below and check everything. At the helm station, I saw > the bilge pump light lit up, and went checking only to find water running in > under the engine, and after pulling out the large storage box behind the > stern berth I found there was a crack in the exhaust hose as it exited the > boat. > > We turned the boat around, went back to the dock and had it fixed 3 hours > later. > > Had it not been for the LED on the light switch, I might not have noticed the > pump running, and the problem could have gotten worse quickly. > > Food for thought, > > Bruce > > > >
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