Quote:
Originally Posted by Kiran403
If my furnace is off for a week, how cold does it have to be outside before pipes can burst? Turns out I need a new inducer motor and the new motor won't arrive for 7-10 days and I have to go out of town for a week. I was thinking about leaving my furnace off as I can turn it on through an app on my phone if needed. My logic is to leave it off so it's not under any strain but obviously I don't want to risk my pipes bursting.
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I had my furnace go out in -25 or so this winter, I would have been fine for 24 hours although I had it fixed much more quickly than that thankfully. I think in weather like this your insulation will probably mean you're fine pretty much indefinitely. Just guessing based on that experience. Maybe just leave a tap running slightly.