HOWTO: Water System Winterizing
123
© 2015 by Roadtrek, Inc.
Location of Alde frost valve
Alde frost protection normal position -
blue handle is pointing parallel to the
water line, blue button at base is in
Frost protection valves turned to dump
position - blue handle pointing toward
water line, blue button at base is out
•
• 9. Turn the frost protection valve on the Alde unit so that the handle is across the line. The system will drain the water in
the unit to ground, which might take 15 minutes or more. Go back to the middle of the winterization procedure and
complete steps 10 through 19.
Webasto unit owners resume the procedure here.
•
• 10. Check to be sure that the drain on the fresh water tank and the black and and gray waste water tank valves are all
closed. Move the single lever galley faucet all the way to the cold side, and leave it open.
•
• 11. Add 2 gallons of non-toxic RV approved antifreeze to the fresh water tank gravity fill using a spout or funnel, and wash
any spillage off the paint.
•
• 12. Turn the water pump on and allow to prime. Close cold galley sink faucet once you see pink antifreeze coming out.
•
• 13. Move the single lever galley faucet to the hot side, and run until you see pink antifreeze come out. Open both hot and
cold faucets in the bathroom sink. Open the toilet valve. Open the hot and cold faucets on the outside shower. Observe the
antifreeze flow through all fixtures, then close each fixture. Ensure antifreeze flows into all P-traps (galley sink, washroom
sink, and shower drain). Add any extra antifreeze to the galley, bathroom sink, and shower drains. Press and hold the cold
handle on the instant hot water dispenser until undiluted pink RV antifreeze emerges from the faucet. Then do the same
thing with the hot handle. You will be filling the hot water reservoir with antifreeze, which takes approximately a gallon, so
