Septic Aerator Air Pumps: How to Choose a Replacement
Updated October 2026. Checked against U.S. EPA and Texas TCEQ guidance and manufacturer specifications. The air pump (aerator) on an aerobic septic system blows air into the treatment tank so oxygen-loving bacteria can break down the waste. When it fails, treatment stops and the tank turns smelly fast. The right replacement is the model your … Read more