Dawn
IMHO, having a pump that is noisy enough to hear when it runs is a plus. If you are cruising, water is dear. If a fitting leaks or a guest leaves the water dripping in the V-berth sink, I can hear the pump cycle. There are super quiet pumps advertised, but I wouldn’t want one. As I remember, the diaphragm pump originally installed under the galley sink was pretty noisy. I replaced mine with a Jabsco pump many years ago because the original pump went up in flames (really, and the breaker never tripped). It is relatively quiet in comparison, but I can hear it when it runs. Installation was easy and it has been reliable.
http://www.defender.com/product.jsp?path=-1|51|299222|121271|316442&id=1029119
If you are in a slip, why don’t you connect directly to shore water? You’ll need a pressure regulator and check-valve, and you should have an automatic shutoff valve so that you don’t sink your boat if a fitting fails. Here’s a link to a solenoid valve.
http://www.grainger.com/Grainger/items/1A577
http://www.grainger.com/Grainger/items/3A440
It runs on 120v, so when you disconnect from the dock, it automatically shuts off. If you buy from Granger, ask them if the company you work for has a discount.
You’d want the valve to close if there were a failure in your water system. You could automate this by putting a relay on your bilge-pump float switch. If the float-switch closes, it would actuate the relay. This would then open the connection to the valve and shut off the water supply. You need a 12v relay that has contacts rated for 120v.
You might put your old pump on ebay. Somebody will want it.
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Rich Carter
Original message
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