How To Thaw A Frozen Tub Drain (Best 2027)
If you have heat tape (electrical tape that plugs in to warm pipes), wrap it around the affected pipe and turn it on. This is a slower process but is highly effective and requires little monitoring. Leave it on for an hour or until the drain flows freely.
If you can access the pipes via a basement, crawlspace, or vanity cabinet, applying heat directly is often faster than pouring water. how to thaw a frozen tub drain