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Bilge pump switches
Does anyone have any experience to report with the new solid state
bilge pump water sensors such as the Johnson Ultima? Sounds like a good, no jamb, no cog, idea to me. The Johnson switch appears to have only two wires and go in series in the circuit. I'm durned if I can see then how it gets the power to run its little brain when the pump isn't running unless it has a little rechargeable battery in it some place. If your boat was really tight and sat for a long time with dry bilges, could the switch then go to sleep and not turn on if water got in? I like the time delay feature. We have a wide bilge sump and, with run back from the hoses, could end up with short cycling when the boat rolls. -- Roger Long |
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