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Old 10-18-2016, 01:23 PM   #1
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Winterizing

My 36 foot travel supreme 5er is easy to winterize via a valve and hose that you put into a large jug of RV antifreeze, my concern is this method doesn't draw from the fresh water tank.even tho the fresh water tank is empty should I be concerned about the line from the tank to pump ? Should I put antifreeze in the tank and pump it through?
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Old 10-18-2016, 02:40 PM   #2
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Just disconnect the line from the freshwater tank at the pump so that gravity can empty it and then reconnect. I avoid putting antifreeze in any freshwater tanks, including the hw heater. Open the low point drains and all the faucets after you antifreeze the lines and you shouldn't have any issues.

Close it all up when you don't see anything draining anymore.
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Old 10-18-2016, 06:11 PM   #3
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Quote:
Originally Posted by rustynut7 View Post
My 36 foot travel supreme 5er is easy to winterize via a valve and hose that you put into a large jug of RV antifreeze, my concern is this method doesn't draw from the fresh water tank.even tho the fresh water tank is empty should I be concerned about the line from the tank to pump ? Should I put antifreeze in the tank and pump it through?
Just drain and let go. Pump anti-freeze through the by-pass as designed (just like you stated). You really shouldn't have to worry about the fresh water tank or line coming to pump from the fresh tank as long as you drain from the low point drain on your tank.
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Old 10-18-2016, 08:47 PM   #4
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I hear ya.....antifreeze was $1.92 a gallon at Wally World this afternoon. After I drain, and blow out the lines, I bypass the hot water tank AND pump antifreeze into everything. Much, much cheaper than a gotcha next spring. Had to replace a toilet valve one time, because I screwed up and didn't raise the pedal. Trying to save money and just blow out. $65 Will buy a lot of antifreeze.
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Old 10-20-2016, 06:20 AM   #5
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Thanks for the replies,I think I got this now !
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Old 10-20-2016, 06:44 PM   #6
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A FYI note. Frequently, the city water connects into the RV's internal plumbing somewhere after the water pump. When you pump antifreeze from the siphon hose it won't go very far up the city water line because of a check valve at the city water connection fitting. That length of hose will likely still be sitting with plain water in it. Need to use a little hand pump or the like to force antifreeze into the city water connection. How much, depends on your plumbing system design.
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Old 10-24-2016, 01:27 PM   #7
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I have owned and serviced RV's of all types for over 40 years and I only use RV antifreeze in the traps, washer/dryer and holding tanks, never in the lines. I blow all the lines out with air and then leave the low point drains and faucets open. I remove all sprayer handles on the shower and toilet and use water soluble oil in the toilet, or RV antifreeze, to keep the valve lubed. I have never had a single unit have a problem from freezing, and it is much easier to put back in service in the spring.
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Old 10-26-2016, 03:32 PM   #8
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Does the antifreeze valve go directly to the fresh water tank or bypass it or what?
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Old 10-26-2016, 06:33 PM   #9
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You do not want to put antifreeze in either the fresh water tank or the water heater. Simply set the water heater bypass valve(s) if it has them. If not its a simple install. Then drain the water heater and the fresh water tank. The antifreeze siphon hose has a valve and there should be another valve that prevents antifreeze from being pushed into the fresh water tank.
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Old 10-26-2016, 09:45 PM   #10
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Actually I want to use it to get bleach solution into the fresh water tank for cleaning. Can the antifreeze connection be used for that?
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Old 10-26-2016, 10:13 PM   #11
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It should work for bleach or any other fluid just fine. For my 60 gal. fresh water tank I use 2 cups of bleach in 1 gal water and add that to the tank, Then fill it and pump through all facets. Let it stand for a few hours, dump and flush with plenty clean water.
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Old 10-26-2016, 11:25 PM   #12
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You get the bleach to the tank with the antifreeze connector, or the fresh water connector?
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Old 10-27-2016, 04:40 AM   #13
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Quote:
Originally Posted by FaithBowls View Post
Actually I want to use it to get bleach solution into the fresh water tank for cleaning. Can the antifreeze connection be used for that?

I pour bleach into my hose then hook it up as usual to fill the tank. Same thing for any water freshener.


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Old 10-27-2016, 04:57 AM   #14
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Quote:
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You get the bleach to the tank with the antifreeze connector, or the fresh water connector?
As tmw188 shared, bleach into the hose then treat the same as you do when filling fresh water tank. Antifreeze connection should bypass the fresh water tank so following that application/method, you will only allow you to sanitize the lines and fixtures and not your tank too.
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