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Upgrade nowTraps and Trap Seal Depths
Read through the material below, then test your understanding.
Lesson Overview
Traps provide an essential water barrier that prevents hazardous foul air and sewer gases from entering buildings. Understanding trap designs, correct seal depths, and sizing rules is crucial for compliant sanitary installations.
Learning Objectives
Identify the operating principles and standard water seal depths required for domestic sanitary appliances.
Distinguish between tubular, bottle, and specialist mechanical or waterless traps.
Apply Building Regulations Part H depth reduction rules and installation criteria correctly.
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