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Old 06-10-2013, 11:58 AM   #1
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Water Pump

Hi All,

Our water pump comes on about every 15 minutes or so even when the water has not been tuned on. My dealer is trying to tell me that this is normal, but I am sure it is not as it did not happen during our first summer with the trailer.

I assume there is a leak in the system somewhere causing it to lose pressure and cause the pump to come on to re-pressurize the system. I have tried to look everywhere for any possible water leaks and everything seems to be dry. I have also tried to make sure that the connections to the water pump itself are tight enough. Nothing has solved the problem so far.

Anyone have any ideas on how to fix this?
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Old 06-10-2013, 12:02 PM   #2
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There is a valve in the pump itself that prevents the pressure from leaking away. That may be going out.
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Old 06-10-2013, 12:45 PM   #3
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Quote:
Originally Posted by BarryD0706 View Post
There is a valve in the pump itself that prevents the pressure from leaking away. That may be going out.
X2

The symptom the OP described fits a problem I had with the pump on my previous trailer. The valve was going out. Rather than repair the valve, I replaced the whole pump because it was eight years old.
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Old 06-10-2013, 12:46 PM   #4
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There's a check valve on the suction side of the pump to maintain prime and to prevent unintended filling of the fresh water tank when using the city water connection. A possible cause is that this check valve isn't seating properly allowing a drop in pressure. I believe that Shurflo sell the replacement separately.

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Old 06-10-2013, 12:52 PM   #5
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This situation also happens when there's air in the system and more specifically in the wh.

The "best" way to get air out of the wh is the pressure relief valve on the wh.

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Old 06-10-2013, 01:14 PM   #6
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Thanks for all of your replies. I will try the WH pressure relief first as it is the easiest. It would suck to replace the water pump since it is only two seasons old.
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Old 06-10-2013, 10:28 PM   #7
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It would suck to replace the water pump since it is only two seasons old.
About "suck to replace"... Likely you can get a kit or a part to repair your pump (if that's the problem). I just happened to "replace" mine because it was older and I got a really great deal on another pump. Saved me some time, don't mean to mislead you.
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Old 04-18-2014, 11:25 PM   #8
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I'm in a 2013 Sunseeker 3170 and my water pump just went poof.

I had this happen in a previous Sunseeker I owned, it was a blown fuse. The fuse in the Sunseeker 3170 is easily accessible so I tried to swap it. Didn't work.

I'm on my way to Iowa, I am currently in Oregon, I have an appointment on Monday in Wellsville, UT (had to do a bit of planning and calling to pull off that one).

I just read the thread, I'll try the pressure relief valve after I turn off the water heater and cool it down.

It worked this morning. Tonight I parked in an RV park as I always do, filled up my water tank, and POOF, the pump isn't working.

Side question: How do you drain your water tank when the pump isn't working? I tried the low point drain, nothing. So now I'm stuck driving for two more days with a full water tank. (I had even nicely obtained permission from the campground owner to drain my tank on the ground!)
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Old 04-19-2014, 09:38 AM   #9
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How do you drain your water tank when the pump isn't working? I tried the low point drain, nothing. So now I'm stuck driving for two more days with a full water tank. (I had even nicely obtained permission from the campground owner to drain my tank on the ground!)
There'll be a separate FW tank drain somewhere under the coach...some type of valve to open.

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Old 04-19-2014, 09:55 AM   #10
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Have you tried a shurflo accumulator tank, it will help prevent the pump from cycling.
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