Actually, the "Easiest" would be to simply drive south......But I won't be doing that until January...
This past summer I installed an onboard compressor with a storage tank in the Toy Hauler....Great for airing up water toys, tires, cleaning of fishing equipment and dirt bikes....
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But this year it was used to blow out the airlines in preparation for winter.
I didn't have to search around for the pancake compressor or run a 100' airline from the shop.
Turned on compressor...Filled air tank....set pressure at the regulator / water separator to 40psi....installed the blow out connection to the city water line....bypassed water heater..turned faucets on one by one and low drain opened....Little bit of AF in all the drains..DONE!
All that was left was to drain HW tank and suck a little bit of AF into the pump.
Didn't take more than 20 minutes!
Lots more about my Toy Hauler "Farkles" here:
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NICE!