Vent Pipe Blocked May 2026
1. What a Vent Pipe Does & Symptoms of a Blockage Vent pipes (part of your DWV system) allow air into the drain lines to prevent vacuum lock, allow wastewater to flow freely, and vent sewer gases outside.
1. What a Vent Pipe Does & Symptoms of a Blockage Vent pipes (part of your DWV system) allow air into the drain lines to prevent vacuum lock, allow wastewater to flow freely, and vent sewer gases outside.