: Wrap a towel soaked in hot water around the exposed pipe to transfer heat gradually without the risk of thermal shock. Reddit +9 How to Tell if It's Frozen or Just Clogged Feature Frozen Pipe Standard Clog Timing Happens during/after sub-freezing temps Can happen anytime regardless of weather Touch Test Pipe feels frigid to the touch Pipe is at room temperature Sound May hear popping or knocking sounds Often accompanied by gurgling or slow draining Fixture Scope Usually only affects the fixture on the outside wall May affect multiple fixtures if it's a main line issue Prevention for the Next Freeze Insulate
Shower Not Draining: How to Fix Frozen Pipes and Prevent Future Clogs shower not draining frozen pipes
Boil several gallons of water and let it cool slightly (boiling water can sometimes crack cold porcelain or damage PVC). : Wrap a towel soaked in hot water