Never pour boiling water directly into a frozen porcelain or acrylic tub—it can crack. Never use a propane torch or open flame on metal pipes (fire risk). Start with the gentlest methods.
A bathtub that refuses to drain during cold weather is a classic winter plumbing woe. While a standard clog is usually a accumulation of hair and soap scum, a "cold weather" clog often points to a more systemic issue: temperature. bath tub not draining cold weather
If you suspect a frozen trap, . This is a fire hazard and can damage the piping. Instead, use these safer methods: Never pour boiling water directly into a frozen