HOWTO: Water System Winterizing
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© 2016 by Erwin Hymer Group North America, Inc.
Webasto line valves in normal operating
position. Green arrow means valve is
open, red closed.
Webasto line valves in bypass position.
Green arrow means valve is open, red
closed. Front of vehicle is to the upper
left.
•
• Open the passenger side front door, remove the orange plug from the fresh water fill in the doorsill, and pour two and a
half gallons of RV water system antifreeze into the fill port, using a funnel. You will need a the remaining antifreeze for the
drains and wastewater system, so purchase four to complete the winterization process.