RV Winterizing


Old 12-27-09, 08:12 PM
Thread Starter
Join Date: Dec 2009
Location: Florence, SC
Posts: 2
RV Winterizing

I have been camping for years, but we just got an RV with interior plumbing this year. I live in SC and was wondering if it was neccessary to winterize my RV. If so, is there a no-hassle way? Thanks.
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Old 12-28-09, 03:44 AM
Join Date: Feb 2006
Location: USA
Posts: 6,303

If there is a chance for freezing temperatures where the RV is located, then it should be winterized. I did mine this fall.

Drain all the water tanks and water lines including the water heater.

Use an air line set at 20 psi to blow out all the water lines.

Use the fresh water pump to charge the water lines with rv antifreeze. This is not the kind you use in your car radiator. It is vegetable based and will not harm your potable water system.
Old 12-28-09, 06:18 AM
Join Date: Jan 2005
Location: Texas
Posts: 478
And buy a water heater bypass kit from an RV dealer.
Old 12-29-09, 10:18 AM
Join Date: Feb 2006
Location: USA
Posts: 6,303
Bypass kit

Check you water heater connections. A by-pass kit may already be installed.
Old 01-04-10, 07:17 AM
Join Date: Jan 2007
Location: North Central Indiana
Posts: 905
winterize RV

You may also have a valve between the pump and supply tank that allows you to pull AF in there and not put it in the tank.

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