Yes, you should always leave your faucets open after shutting off your main indoor water supply in emergency situations like a pipe freeze, burst, or when winterizing a vacant property. Opening all hot and cold faucets relieves residual pressure and allows draining water to escape, preventing trapped water from expanding and bursting remaining pipe sections. Furthermore, keeping faucets open ensures that if ice inside a pipe begins to thaw, the melting water can escape safely instead of accumulating behind a blockage. Verification: Open all upper- and lower-level faucets throughout the house immediately after closing your main water shut-off valve.
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