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Old 11-12-2015, 10:56 AM   #1
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Winterizing and city water check valve

Read a post yesterday about winterizing (can't find it today - there are lots of winterizing threads!). It mentioned getting the water out of the check valve at the city water inlet and I realized I hadn't thought of that when I winterized. So, I took off the filter today and pushed on the check valve - there was water in there that came out (but not a lot - maybe a tablespoon or so). My question: am I good now or is there still more in there to worry about? Thanks!
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Old 11-12-2015, 11:07 AM   #2
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Right idea, wrong timing.


The pump has to be on with the siphon hose into the antifreeze jug when you push open the check valve.


That'll fill the line to/from the check valve with antifreeze. Stand clear unless you want to be spritzed by a bit of water, then antifreeze.
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Old 11-12-2015, 11:20 AM   #3
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Quote:
Originally Posted by mike837go View Post
Right idea, wrong timing.


The pump has to be on with the siphon hose into the antifreeze jug when you push open the check valve.


That'll fill the line to/from the check valve with antifreeze. Stand clear unless you want to be spritzed by a bit of water, then antifreeze.
X2. If you have any anti-freeze left, it won't take much to finish the job. If you don't have any left, buy another gallon. That will be a lot cheaper than fixing the damage from that water line freezing and breaking. And by the time you notice it's leaking next spring, there will be water everywhere inside your trailer and underbelly.

It's worth the cost and little extra time to do it right!
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Old 11-12-2015, 11:28 AM   #4
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Here's a link to the thread where I put a checklist for winterizing. But read all the way through. There are some good comments after my post - down about halfway through the first page.

https://www.jaycoowners.com/forums/f5...sed-31703.html
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Old 11-12-2015, 12:00 PM   #5
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Thanks guys - Scoutr2 _ that thread is what I read yesterday but couldn't find today. It's bookmarked now. I suspected it probably told me exactly what to do. So, another trip to the store and a little more work to do. I don't think the manual said anything about winterizing that section of line but I may have missed it. Common sense though, isn't it? I should head to Vegas and not worry about all this winterizing stuff - temps are heading south here in Montana but I'm just not ready to go yet ).
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Old 11-15-2015, 06:11 AM   #6
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If you don't have a faucet open (to release pressure) when you push the plunger you can displace the o-ring on the check valve causing it not to seal.
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Old 11-15-2015, 06:53 AM   #7
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OK - noted. Haven't finished yet so should be ok. Lots to remember! Thanks
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Old 11-15-2015, 08:23 AM   #8
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This is typical water flow diagram for the simple trailers...



Might be of some help...

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Old 11-15-2015, 12:14 PM   #9
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I always do the check valve last - shut the pump off after all of the faucets (including the outside shower) and then push the check valve in - there is enough residual pressure to displace the water and get antifreeze out, but the pressure relieves because the pump is off...
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