I have a couple of those Groco air switches also... Worked great for more than 8 years so far.
I think they are just a fill switch from a washing machine ... But a fair price in any case since they seem to have a long lifespan. Ed primeinter...@gmail.com 1982 Landfall Toronto, Canada On Sun., Mar. 15, 2020, 10:36 a.m. Andrew Burton via CnC-List < cnc-list@cnc-list.com> wrote: > 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 > > > > > _______________________________________________ > > Thanks everyone for supporting this list with your contributions. Each > and every one is greatly appreciated. If you want to support the list - > use PayPal to send contribution -- https://www.paypal.me/stumurray > >
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