Since I travel south to camp in the winter I have winterized many times on the road before returning home. I use a 12 V air compressor I bought from Home Depot for about $20. I plug it into the trailer and let it build up to 40 psi then turn it off and purge the line to each faucet and commode. It takes about 10 minutes with the wife operating the faucets.
Eddie.
something like this, which Home Depot Canada has on their website?
I purchased a 12 v compressor from Canadian tire for tires, to take on the road and for winterizing. I was concerned it would not provide enough pressure and air flow but it worked last year - took perhaps longer waiting for the pressure to increase and repeat a few times for each faucet. Heavy-duty Air Compressor | Canadian Tire
ok, beating this to death..... seen some compressors with 1 cfm at 30 psi, some compressors at 5 cfm at 30 psi. Any idea how many cfm would be good for blowing out air lines?
If all you plan to do with the compressor is winterized your trailer, go with the least expensive which is probably 1 cfm. If you will inflate tires, blow dust out of heating/cooling system filters, air dry stuff, then go with 5 cfm.
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I agree with Carl. Don't overcomplicate it. Compressors can be used for LOTS of things. Blowing out water lines is a very narrow use. If that's OK, a tiny less powerful unit will suffice.
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