Running water through the pipe, even if it is dripping, helps prevent the pipes from freezing. Keep the thermostat set to the same temperature during the day and. Set household thermostats above 55 degrees during cold weather. Drip cold water into the farthest faucet of the main valve.
Moving water prevents pipes from freezing. Call a licensed plumber if you can't locate the frozen section, can't get to it, or can't defrost it.
