We have the first hard freeze of 2015 forecast for tonight/tomorrow morning, so I will be spending several hours today getting ready, protecting stuff we normally don’t have to worry about.
One of the main projects is winterizing the 5th wheel, which involves protecting the water lines from freezing. There are two schools of thought on that – adding antifreeze to the fresh water system, or blowing the water out of the system with compressed air, using an adapter like the one pictured above. I use the air compressor, although I’ve only had to do it once before in the six-plus years we’ve owned the trailer.
Just an FYI for those who don’t own an RV – the antifreeze you use is not what you’d put in your car’s radiator. That stuff could kill you. The RV antifreeze is pink and only intended for water systems. You still have to flush it out before drinking the water, but a little residual is supposed to be safe. Compressed air is just as easy, and a little residual air can’t hurt anything.
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