Prepare before the weather gets cold:
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Eliminate sources of cold air in crawlspaces or other locations by adding insulation and blocking openings to the outside air.
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Insulate any water pipes that may be exposed to cold air or drafts.
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Consult a professional regarding insulating difficult pipes or selecting and applying heat tape to water pipes.
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Locate and check your water shut-off valve – this will save time in the event of an emergency. In many instances, the shut-off valve may be located in a basement, crawlspace or outside near the water meter.
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Be sure that the main shut-off valve in the building is functioning properly. Test the valve’s function frequently.
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Disconnect any garden hoses and drain outside water faucets. Frozen garden hoses can lead to frozen pipes indoors.
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For outside water meters, keep the meter box lid closed tightly.
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Contact a plumbing or maintenance professional if you have any questions about protecting your pipes during cold weather.
When temperatures fall below freezing:
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Leave a trickle of water running from faucets – the slow movement of water will help to prevent freezing of water in the line.
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Ensure any insulation or heat tape is in place and functioning properly.
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Keep the thermostat set at above 55 degrees if the building will be un-occupied.
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Open sink cabinet doors to allow warm air into the area where water pipes may be located.
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Keep garage doors closed, as water pipes are often routed through this area.
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If you think your water pipes have frozen, shut off the water immediately and contact a plumbing or maintenance professional.