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Fresh Water Check Valve
Posted: Sat Oct 24, 2009 7:34 am
by dpaulo
Is there a check valve between the fresh water tanks and the Shur-Flo pump under the galley sink, and if so, where is it? My water pump has been "burping" and I can find no water leak or air in the lines and I wonder if a check valve would help maintain pressure.
Also, the Shur-Flo pump on my 2003 is rather loud. I wonder whether newer pumps run quieter? Captain Dan
Re: Fresh Water Check Valve
Posted: Sun Oct 25, 2009 1:56 pm
by lyle
My pump was doing the same thing during the summer. (2005 Hull #363). It eventually went away on it's own but my guess it was caused by the pressure switch on the pump itself. I had no leaks either. You can replace just the pressure switch but I think mine was caused my a minute dirt particle or something in the pressure pump which is why it cured itself eventually. I was nowhere near a marine store and out on the boat for a couple of weeks so in the meantime I just turned the pump off at night to stop the cycling. I don't believe there is a check valve between the pump and the tank.
Re: Fresh Water Check Valve
Posted: Tue Nov 03, 2009 10:37 pm
by wcconway
We had the same problem with our new 2008 Mark II last year and contacted Shurflo. It "burped" every 5-7 minutes. They sent a replacement checkvalve. Our pump is an AquaKing 12V model #: 3901-0206; 3gph
Here is the contact info if you want to ask for his advice:
Kevin.McLean@Pentair.com