Anti freeze suction tube.
Drain water system including the water heater tank and low point drains.
Switch water heater by pass valves.
Put tube in AF and turn on the pump, you will likely need 2-3 gallons of AF.
If your unit has a water filter, remove the filter and place a capped empty water bottle inside and reattach the housing.
2016 F350 6.7L LB CC Reese 28K 2014 Chaparral Lite 266sab
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