⭐ Upgrade to Pro - £19
Unlock all lessons and mock exams to pass Level 2 + Level 3 theory exams.
Upgrade nowBottled Gases
Read through the material below, then test your understanding.
Module Lessons
Health and Safety and Industry Practices
Health and Safety Legislation Overview
Employer and Employee Duties
Risk Assessments
Method Statements & Permits
Identifying Hazards
Asbestos Awareness
Lead Safety
Personal Protective Equipment (PPE)
Respiratory and Hearing Protection
Manual Handling
Emergency Response & First Aid
Electrical Safety on Site
Safe Isolation of Electricity
Bottled Gases
Oxyacetylene Equipment
Fire Safety
Working at Height (Ladders)
Scaffolds and MEWPs
Excavations and Confined Spaces
Lesson Overview
Plumbers frequently handle compressed fuel gases and oxidising agents for soldering, brazing, and welding processes. Understanding the properties, colour coding, safe handling, and storage requirements of bottled gases is essential for site safety.
Learning Objectives
Identify common bottled gases used in plumbing, including cylinder colours, thread types, and physical properties.
Explain the operational behaviour, expansion rates, and specific hazards of liquefied petroleum gases and oxygen.
Apply statutory safety controls for storing, segregating, and transporting gas cylinders on site.
Unlock the full lesson & knowledge check
Get lifetime access to every Level 2 & 3 lesson, 3500+ total questions, and timed City & Guilds mock exams.
Get Pro Access (£19)Already have Pro? Sign in
Interactive City & Guilds Level 2 and Level 3 plumbing lessons, flashcards and mock exams, built for UK students and professionals.
© 2026 PlumbingIQ. All rights reserved.