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Old 12-01-2021, 05:40 PM   #1
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How to winterize without antifreeze

I thought this might be of interest to some of you.

https://rvlife.com/how-to-winterize-...ut-antifreeze/
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Old 12-01-2021, 06:23 PM   #2
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No problem... anyone that wants to see if it works on their rig can try it and find out in the spring if it works or NOT!
It does work on many MHs and RVs but the more complex your rig is the riskier it becomes... your choice... your $$$$
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Old 12-01-2021, 06:58 PM   #3
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How do you think RV Dealers in cold climates winterize their coaches? Exactly as described in the article. This nothing new and has been done for decades.
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Old 12-01-2021, 07:23 PM   #4
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While I have done it both ways, with and without anti freeze, I prefer to use the anti freeze after thoroughly blowing the lines out. I like the added insurance any low point in my plumbing is protected as well as the on board water pump. The anti freeze will also help keep washers in faucets and the toilet valves soft and flexible.
Running the anti freeze into sink and bath tub drains also helps protect the 'P'Traps from freezing. An amount of anti freeze will find it's way into your holding tanks and help protect any residual water left behind from freezing.
At the minimal cost of a couple three gallons or perhaps a little more of anti freeze why take chances?
I'll sleep better during the seven months my coach is sitting in storage in the long, cold winter nights.
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Old 12-01-2021, 07:28 PM   #5
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When I lived in SO CA by the coast......drain and walk away

When I lived in So CA high desert.......drain and blow out lines with air

When we moved to Central AZ.........drain, blow out with air and use anti-freeze


All depends on WHERE and What temps one experiences in winter
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Old 12-01-2021, 07:29 PM   #6
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We've bought two RV in December and both were winterized with the pink stuff.

I have just blown them out, but if it's going to get into the teens I'd rather use the antifreeze. I'm just never sure that blowing it out won't allow water to pool in a low spot and still cause damage. Ours have been easy to do, and it only takes a couple of gallons. The RV antifreeze is cheap, so why take the chance.

I wondered about the article giving the reason not to use antifreeze as "Concerns about animals or kids finding and drinking antifreeze (it smells and tastes sweet)." This after explaining that it's non-toxic.

And can someone explain why they'd bypass the water heater to blow it out. I just drained it and put the plug back in. I figured it'd flush the lines just fine even if it did pressurize the heater. Our last one had the water heater bypass in a very inconvenient location. Not having to get to it gave me the incentive just to blow that one out.
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Old 12-01-2021, 07:39 PM   #7
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If one has a washer/dryer and/or hydronic heating, both those systems will result in costly repairs if they freeze. One should always use potable antifreeze (the pink stuff) if the RV has one or both systems.

For example, you're looking at over $10K in repairs if an AquaHot freezes.
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Old 12-01-2021, 07:56 PM   #8
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Quote:
Originally Posted by EdInArk View Post
We've bought two RV in December and both were winterized with the pink stuff.

I have just blown them out, but if it's going to get into the teens I'd rather use the antifreeze. I'm just never sure that blowing it out won't allow water to pool in a low spot and still cause damage. Ours have been easy to do, and it only takes a couple of gallons. The RV antifreeze is cheap, so why take the chance.

I wondered about the article giving the reason not to use antifreeze as "Concerns about animals or kids finding and drinking antifreeze (it smells and tastes sweet)." This after explaining that it's non-toxic.

And can someone explain why they'd bypass the water heater to blow it out. I just drained it and put the plug back in. I figured it'd flush the lines just fine even if it did pressurize the heater. Our last one had the water heater bypass in a very inconvenient location. Not having to get to it gave me the incentive just to blow that one out.
Easier to fully blow out Hot water plumbing lines/low point drains etc when you bypass the WH Tank
*Hot out check valve --- check valve is a restriction and would require higher pressure to fully flow/blow out hot lines then is need when bypassed
Either way as long as not pumping anti-freeze
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Old 12-01-2021, 08:05 PM   #9
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Easier to fully blow out Hot water plumbing lines/low point drains etc when you bypass the WH Tank
*Hot out check valve --- check valve is a restriction and would require higher pressure to fully flow/blow out hot lines then is need when bypassed
Either way as long as not pumping anti-freeze
Thanks. It just seemed that if water would go through it in the proper direction of flow then air would.

At any rate, our new trailer is much easier to get to to bypass.
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Old 12-01-2021, 08:12 PM   #10
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This is exactly how I have been doing it for 10yrs. I do add antifreeze to all traps and the holding tank. I never run antifreeze thru the water system. We use the ice maker and don’t want that crap in it. We also keep the coach heated over the winter.
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Old 12-02-2021, 07:30 AM   #11
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This is exactly how I have been doing it for 10yrs. I do add antifreeze to all traps and the holding tank. I never run antifreeze thru the water system. We use the ice maker and donít want that crap in it. We also keep the coach heated over the winter.
Doesn't your ice maker have a by pass on it you use when winterizing?
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Old 12-02-2021, 07:40 AM   #12
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This is exactly how I have been doing it for 10yrs. I do add antifreeze to all traps and the holding tank. I never run antifreeze thru the water system. We use the ice maker and donít want that crap in it. We also keep the coach heated over the winter.
We've actually heated ours more often than winterizing. We use an electric heater near the bath room and one near the kitchen. They're plugged into a Thermocube and plugged into outlets on different breakers. They've never tripped a breaker, but we ran two heaters -- just in case

This year is our first year with a TT, and it's on the smallish side so I think I'll just set the thermostat on about 45 and just accept that I'll have to top the propane tank off from time to time.

We often camp during the winter though. We'll hit temps below freezing for a few nights, then it'll be warm and beautiful for a few days. The first year we owned the little clas A I think we winterized it 3 or 4 times. I finally told my wife "I'm done with this."
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Old 12-03-2021, 05:39 AM   #13
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I do the opposite, I store mine in the summer and use it all winter. Did my first Class A with the pink stuff, absolutely hate the smell. Took us all summer to get the smell out and regardless of what anyone says, the crap taste bad....
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Old 12-03-2021, 06:06 AM   #14
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Antifreeze is $2.70 a gallon at Walmart
The day you have a frozen RV is the day you cry.
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