How to blow out lines to winterize
Hello. I have always paid to winterized my RV but would really like to learn how to do it myself without just pouring antifreeze down the toilet and sinks. I would really like to use air on the lin...
Forum Discussion
Flapper wrote:msmith1199 wrote:
... So the water at either end will freeze first and block any expansion for the water in the middle. Will that be enough to burst your pipe? ...
Yes it will. There have been lots of studies. It isn't the ice that bursts the pipes, as it usually has a place to go. It is the trapped water between two pieces of ice, that can build to a very high pressure and burst the pipe, water being incompressible and all.
No, I don't put antifreeze in the lawn sprinkler system, but I do in my pool (12 gal per year!)
I wrote that because I have had hoses burst in the winter that had water in them but the end of the hose was open. So even with the harden hose not closed in, the hose still split so that's why I know it can happen at least to a garden hose. I have no idea if it will happen in a motorhome but I don't see why it couldn't.
