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Hey all, I’m gonna start the winterizing process this weekend. How much RV antifreeze will I need? It’s a 2015 Forest River Flagstaff Classic Super Lite
2-4 gallons depending on size of your plumbing system and appliances. You’ll need probably twice that if you have a water heater that takes anti-freeze (typically only on-demand water heaters recommend anti-freeze, but refer to your manual).
Thanks! I’m just using antfreeze, not blowing out the lines. I dont have the equipment or know-how to do that. I’m not 100% sure how to even winterize yet…lol. Its my first time.
I used 3 gallons last time I winterized, but like Pete said it will vary. Since it’s your first time, here’s a step-by-step guide to walk you through the winterizing process: https://camperfaqs.com/how-to-winterize-a-camper-complete-guide
Let us know if you have any questions/issues.
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