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Old 02-17-2021, 11:10 AM   #1
1 Rivet Member
2021 27' International
Lake Oswego , Oregon
Join Date: Nov 2020
Posts: 8
De-Winterizing new International 27FBQ

Just got our 2021 International 27 FBQ, and need some help on dewinterizing the factory winterization. Iím not sure if the factory used antifreeze, but from what Iíve read in prior discussions it seems the process is little more than closing drain valves and flushing the system until the water runs clear. Is there something Iím missing? The trailer has tankless hot water, so Iím not sure about what I need to do about the water heater specifically (if anything).
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Old 02-17-2021, 12:13 PM   #2
Rivet Master
2017 28' International
Jim Falls , Wisconsin
Join Date: Jul 2017
Posts: 1,499
Blog Entries: 1
Not really.

The one thing you should do every year is sanitize the fresh water tank in the de-winterizing process. Read your manual on how to do that. It is a bit longer process. And it means running the water pump a bit more.

I’m not sure how that works with a tankless water heater.
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