Quote:
Originally Posted by gmc
In milder areas, and especially if winterizing/dewinterizing multiple times, I would use a compressor and blow out the lines.... Drain fresh water, gray and black tanks and water heater - water heater in bypass. Insure the pump gets drained.
Not necessary to get 'every drop'.... Any water left will have plenty of room to expand.
Antifreeze in drains / traps is still needed... Certainly for those longer stitches.
I used that method after late winter/early spring trips in Michigan.
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How do you drain the water pump? I read one place (or maybe watched in a video, possibly even the Thor video), that after draining/blowing out the lines, and working your way through all but the last faucet (they used outside shower), turn on the pump to have it move any water it has in it. They cautioned about not running it long without water, however.
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