Bathroom sink stayed liquid overnight with just dripping, but the kitchen sink is on an exterior wall and froze solid last night. I got under there with a heat gun and got the water flowing again, fortunately the whole system didn't freeze so nothing burst. I also installed a heating cable with a thermostat on the pipe, got it wrapped up snug under some foam insulation, hopefully that'll keep it liquid as long as I keep some water running through it. gonna monitor tonight and see how it goes.

Sorry for no pics, it is very cold and I went as fast as possible.

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[–] 8 points 9 months ago (4 children)

Maybe a dumb question but how does the water company not have more issues with water pipes freezing which connect underground to peoples houses?

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  • [–] 16 points 9 months ago (3 children)

    Frost line.

    Water pipes are burried far enough down that the ground around them is always above 0°c/32°f.

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  • [–] 5 points 9 months ago (2 children)

    Fun fact: large grazing animals lower the frost line in the northern Asian steppes.

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