I have Tiffin 36LA and this is our first winter. We live near the beach and for the most part the weather is moderate. However, in January or February we could have a freeze that could last 4 to 8 hours. My black and grey tanks are clean but I have about a gallon of water in the black tank. My question is should I completely drain all water or is there some other solution? Thanks,

For four to eight hours, I wouldn't bother. We were just in South Carolina and had a short overnight at 32 degrees. We unhooked our water hose, made sure we had about 30 gallons in the fresh tank and went to bed. We are at Fort Clinch now and, if the temps dip we will do the same. Make sure the furnace is running occasionally to heat the tanks, run the hot water heater before you go to bed, and you should have no problems.

If your fresh water tank and waste tanks are all drained except for the gallon you added back, I would purchase 2 gallons of the pink RV antifreeze and add half a gallon each to the black and grey tank and use the other gallon to pour down into the P-traps of your sinks and shower. Easy insurance for about 7.00 at Walmart.

The water lines are also vulnerable so I would go with blowing out the lines and do like "dakota" said with the tanks. Heat the hot water before blow out an then shut off, it will stay above freezing.Good luck!

I just run the heat on low the few nights it freezes.

Don't forget it will hold heat from the day I would dump some pink in the black tank, drain water heater, open low point drains and call it good

Temporary Winterizing in North Florida | Good Sam Community

12 Replies

mfox20
Explorer
Jan 13, 2016
If your fresh water tank and waste tanks are all drained except for the gallon you added back, I would purchase 2 gallons of the pink RV antifreeze and add half a gallon each to the black and grey tank and use the other gallon to pour down into the P-traps of your sinks and shower. Easy insurance for about 7.00 at Walmart.
dahkota
Explorer
Jan 13, 2016
For four to eight hours, I wouldn't bother. We were just in South Carolina and had a short overnight at 32 degrees. We unhooked our water hose, made sure we had about 30 gallons in the fresh tank and went to bed.

We are at Fort Clinch now and, if the temps dip we will do the same. Make sure the furnace is running occasionally to heat the tanks, run the hot water heater before you go to bed, and you should have no problems.

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Temporary Winterizing in North Florida

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