As usual, the most upvoted answers are dead wrong.

Will pouring hot water down drain unfreeze pipes. Once the drain starts flowing, open the faucet. When temperatures plunge, let faucets drip to prevent hot and cold water pipes from freezing. If the frozen section is near a drain, pour very hot water down the drain to help melt the ice 5.

You can use hot water to unfreeze drain pipes. To unfreeze a drain pipe that hasn’t been frozen very long try just dumping some hot water down the drain. Boiling water will soften and warp pvc.

Is pouring hot water down the drain bad? The only thing in a drain line which should normally be able to freeze would be the water in the trap. How to safely unfreeze a pipe,.

Move warm air through the kitchen and bathrooms by running fans and. Pour hot water down the drain once it’s almost boiling, carefully pour it into the drain. Pour salt into the hot water until you see that the salt is not dissolving.

And pvc is commonly used in drains. In such a case you may encounter the following issues; In most cases, you can unfreeze a frozen drainpipe by pouring hot water down it.

It wont hel a bit on incoming water lines but might help on lightly frozen drain. Fill a pot with a. Put hot water from the outside.