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Old 06-22-2022, 04:40 PM   #1
MT_Mama
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Water Pump turning on when not using facuets

We purchased the camper brand new last year and everything was great. Winterized it, and I DE winterized it about 2.5 weeks ago. Everything was fine.

Earlier this week I went out to clean it and get it ready for camping. The water pump is now turning on (pulsating, I believe it the term) about every 30 seconds when none of the faucets are on.

I have checked all the hoses, and connections and see no leaks.... just lots of sawdust still.

I've also looked under the camper and see no leaks.

What else can I check or do?

Trying to figure out what it could be.

Its a few days shy of being out of its 1yr warranty and the dealership can't get it in for over a month. Plus they want it for at least 10 days to diagnose it. I'd rather not lose the camping time if we can fix it.
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Old 06-22-2022, 05:06 PM   #2
bsmith0404
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There are several threads about this same issue. Typically it’s a loose hose connection somewhere, anode rod or pressure relief on the water heater leaking or debris in the water pump. Sounds like you’ve checked for leaks, I’d double check everything, make sure your low point drains are closed/capped. Turn the faucets on full and let them run for 30 seconds or so to try and remove debris from the pump.
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Old 06-22-2022, 05:17 PM   #3
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In addition, donít forget to run the outside shower. An air pocket can cause your issue.
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Old 06-23-2022, 03:37 AM   #4
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Also make sure the water heater is full. Welcome from northern MN.
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Old 06-25-2022, 01:49 PM   #5
MT_Mama
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Thanks! Today I rechecked all hoses and connections that I can see, none seemed to be loose. I also let the water run for about 45 seconds. There is no filter on the Sureflo 4008-101-A65. When checking the filters on the ends of the faucets there seemed to be some gunk in them but I cleaned those.

No outside shower.

I even tried bypassing the water heater to see if pressure was being lost there and it made no difference. No water is leaking from the pressure valve or rod.

I plan to call Keystone Monday and see what they suggest
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Old 06-25-2022, 01:53 PM   #6
MT_Mama
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Thanks. When I checked the pressure valve only water came out, is there another way to be sure the hot water heater is full?
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Old 06-25-2022, 02:24 PM   #7
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If your sure all the air is bled out and there are no leaks, itís possible to adjust the pressure switch. There are videos showing how, I have adjusted a few.
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Old 06-25-2022, 04:31 PM   #8
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I don't know how your's is set up, but if you have a separate hook-up for winterizing, make sure the winterizing valve is flipped off. Also, make sure, if you have a fill port (not gravity filled), you flip the valve back to normal run and not "fill". Both of those will cause the water pump to cycle, or run constantly.
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