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Upgrade nowCauses of Trap Seal Loss
Read through the material below, then test your understanding.
Lesson Overview
A water trap seal prevents hazardous foul sewer gases from entering a property, but hydraulic pressure changes and environmental forces can cause it to fail. Understanding the causes of trap seal loss is essential for designing, installing, and maintaining code-compliant sanitation pipework.
Learning Objectives
Identify the eight primary causes of trap seal loss in domestic drainage systems.
Explain the hydraulic forces and mechanical faults that break a water seal.
Select the correct design methods, fittings, and specialist traps to prevent trap failure.
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