Before starting, take these precautions to manage pressure and prevent water damage:
If you suspect a pipe has already burst, shut off the main water valve immediately. how to thaw a frozen bathtub drain
Depending on your access to the plumbing, use one of the following techniques: Before starting, take these precautions to manage pressure
Ensure the shower or tub area is completely dry if you plan to use electric tools like hair dryers to prevent electric shock. Effective Thawing Methods how to thaw a frozen bathtub drain
Aim a hair dryer or heat gun at the drain opening or accessible trap. Keep the device moving back and forth to distribute heat evenly and avoid melting plastic (PVC) pipes.
Keep the bathtub faucet slightly open to allow melting water to escape and to relieve pressure in the system.