Covers: Ontour Van, Ontour Van Tumbo Edition, Prestige Van
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Prestige Van First EditionOntour Van models: 600 FT, 640 ET
Ontour Van Tumbo Edition models: 600 FT, 640 ET
Prestige Van models: 640 ET
Prestige Van First Edition models: 640 ET
Hobby Water System
(Vans, 2026 Model Year)
View official manual on manufacturer's site ↗Frequently Asked Questions
Q: How do I empty the fresh water tank?
Turn the wheel anticlockwise to open the valve, letting the fresh water tank drain out fully. Make a habit of doing this whenever the heating's off and the van's not in use, especially in freezing weather.