Can A Bathtub Drain — Freeze Best

Prevention is much cheaper than a plumber’s emergency visit. Use these tactics when a deep freeze is forecasted:

If you suspect a freeze, do not use a blowtorch or open flame, as this can crack PVC pipes or start a fire. Instead, try these safer methods: can a bathtub drain freeze

Unlike supply pipes, which are always full of pressurized water, drain pipes usually only carry water momentarily. However, problems arise due to the P-trap. This U-shaped pipe under your tub is designed to hold a small amount of water at all times to block sewer gases from entering your home. If the air around that trap drops below freezing, that standing water turns to ice, creating a solid plug. Common Causes of Frozen Tub Drains Prevention is much cheaper than a plumber’s emergency

Heat Lamp or Hair Dryer: If you can access the pipes under the floor, use a hair dryer or a space heater to warm the area. Never leave a space heater unattended. However, problems arise due to the P-trap

If you have access to the plumbing (via a basement or crawlspace), look for visible frost or ice crystals on the exterior of the PVC or metal pipes.