HOWTO: Water System Winterizing
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© 2014 by Roadtrek, Inc.
City water connection valve, shown
closed
Water pump filter, inside water heater
enclosure
•• Turn the city water connection valve on. The water pump will operate. Allow it to run about 20 seconds. Turn city water
connection valve off.
•• Turn the water pump off and open a galley sink faucet to release back pressure.
•• Open the valve on the water line connecting the two fresh water tanks (in the water heater compartment on the floor, left
side, at the base of the large speaker) to allow the remaining antifreeze in the interior tank to drain into the exterior tank.
•• Open the fresh tank drain line briefly until antifreeze flows out.
•• Remove water pump filter if so equipped. Replace water pump filter lid.
Winterizing using compressed air
Roadtrek recommends against using compressed air for winterizing.
Other methods of winterizing
Roadtrek only recommends the winterizing method outlined above using RV antifreeze.
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