The diaphragm pumps are great for getting the very last drops but they tend to be relatively low flow rate. I would suggest that you consider adding as high of a capacity pump as will fit and have it run on an automatic switch. You could have them run simultaneously but really having just the new high flow pump run as the primary pump is sufficient. Once the bilge is pumped, you can pump the dredges manually with the diaphragm pump.
For high flow you're basically going to get a centrifugal pump. I replaced the original Rule with another pricey Rule pump which failed withing 3 years. I replaced it with a Walmart Atwood Pump which failed within 3 years and replaced it with the current Johnson pump. I'm not hopeful that it will last more than 3 years. Josh Muckley S/V Sea Hawk 1989 C&C 37+ Solomons, MD On Tue, Jun 23, 2020, 16:02 Matt Wolford via CnC-List <cnc-list@cnc-list.com> wrote: > Listers: > > New topic. My boat came with a really nice diaphragm pump for the > bilge, but it operates on a manual switch. I was going to change the > switch and install a sensor in the bilge to make it automatic, but it > occurs to me that having redundancy is a good idea for this application. > Which pumps to people like for placement in the bilge? I picked up a water > witch sensor, so I don't need an automatic pump. Thanks in advance for > suggestions. > > > 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 > > > > _______________________________________________ > > 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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