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Proper Float switch positioning for bilge pumps
After washing down the sailboat this past weekend, after a great day of sailing, I noticed the bilge pump was running but no water was exiting the boat. Further inspection showed that the float switch was being activated by about 1 inch of water in the bilge, but that wasn't enough to cover the input grating of the bilge pump so the pump couldn't get rid of the water. I guess the previous owner mounted the float switch too low. Is there a recommended height above the pump that the float switch should be set up to? I guess you want to ensure the pump is immersed first, but is there any standard? Are float switches the best way to go, or are the 2 prong water sensors better?
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1980 Pacific Seacraft Orion 27
Sailing Grounds: Southern California