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Old 07-10-2013, 05:30 AM   #41
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Usually the air pre charge in the accumulator is about the same as the pump ON selection of the water pressure switch.

Home switches are usually adjustable , RV and boat stuff is not.

Changing to a better switch can be done only with some water pumps .

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Old 07-10-2013, 08:11 AM   #42
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Originally Posted by Tangler View Post
question- just replaced my flo-jet pump 4406-143 and the paperwork says it "has a built in bypass valve eliminating the need for an accumulator tank" and not install it in a system with a tank as it would interfere with that valve. My system had a tank when I got the boat. Should I remove the tank? pump seems to work but a little slow to recover. old pump was a 4405-143
I just saw this thread and I purchased the same Flo-jet 4406-143, because it was 1/3 the price of the Shurflo that stopped working.
I could not get it to work with my accumulator and then I read in the installations instructions not to use an accumulator, I just uninstalled it and got an Aqua Jet by Johnson Pump.
Now, when I first installed it, it also cycled on and off immediately, though the taps were open. I took out the water filter element and that cured the problem. The Flo-Jet may have worked then, but it seemed adamant about not using an accumulator, which I do not want to eliminate for the reasons mentioned above.

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