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Old 01-27-2014, 01:05 PM   #1
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Winterizing question..

Just returned from a cold weekend trip. Overnight temps dipped to around 15 degrees and expecting lower this week (Alabama). Dropped the water lines at night so no real problems while camping.
On return, I re-winterized blowing out with compressed air and then the pink stuff.
The problem is that when I connect a tube to the winterize connector and run the pump, it doesn't have enough suction to draw straight from the jug. I need an assistant to hold the container up to a point where it will flow.
I can see it trying to suck but just doesn't have enough to lift it even 12 inches.
This is not new. It's always done it for the 2 years we've had her.
Is this normal?
I wondered if the pump was going out but it pumps great under normal camping conditions.
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Old 01-27-2014, 01:37 PM   #2
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Sounds like your pump is failing. I put the jug on the ground and the pump sucks it dry with a lift of about two feet. Sometimes, though, a vacuum can develop. Shutting everything off and then turning on just one faucet usually discharges the vacuum and the pump is able to grab hold.
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Old 01-27-2014, 01:49 PM   #3
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That's kinda what I expected. It's as if it's sucking air somewhere but if air was getting in, i would expect water to get out.
When running from the onboard water tank, it has plenty of pressure but that's fed by gravity whereas when winterizing, it's got to suck against gravity.
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Old 01-27-2014, 01:57 PM   #4
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The only place it can conceivably suck air would be the "Y" valve. Make sure it's completely closed off to the fresh water tank.
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