Leaving a home in Michigan for that time, that weather, I would and we DO,
1.) Drain water out of the pipes, if they freeze, they burst, if they warm up, and water is on, they damage thousands of dollars of drywall. We turn water OFF.
2.) Drain hot water tank.
3.) Pink the toilets, and dishwasher and washing machine pumps.
We have done heat to 47, no ill effects.
I have a long long check list that we use, I would be happy to share with you, EMAIL me, NOT a PM.
Enjoy that 3400 and your time away from the coolish climes!
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