Attaches to metal drain lines, sends current through pipe to warm it. Not for PVC/ABS. Risk of igniting sewer gas — ventilate area first.
For metal traps only (salt corrodes some metals). Mix 1 cup salt with 1 gallon warm water. Pour slowly. Salt lowers freezing point. For Drains Inside Walls (No Direct Access) A. Increase room temperature Open cabinet doors under sink to let warm air circulate. Use space heater in the room. Raise thermostat to 75–80°F for a few hours. how to thaw a frozen drain
Wrap around the frozen section. Slow but safe for plastic. Attaches to metal drain lines, sends current through
Aim at the wall where you suspect the freeze. Check for hot spots; don’t overheat drywall. For metal traps only (salt corrodes some metals)
Aim at the frozen pipe from a safe distance (3+ feet). Good for crawlspaces.