Water In, Waste Out — Cold Water Systems & Sanitary Appliances for Plumbing Apprentices | Unit 307 Phase 2
About this episode
In this episode, Chris Bailey discusses cold water systems and sanitary appliances essential for plumbing apprentices, focusing on Unit 307 of the City & Guilds Diploma.
The Copper Connection Podcast – Season 2, Episode 76, Water In, Waste Out — Cold Water Systems & Sanitary Appliances for Plumbing Apprentices | Unit 307 Phase 2 Phase 2 of your plumbing apprenticeship is where theory meets real installations. And cold water systems are where a lot of learners either click — or come unstuck. In this episode, host Chris Bailey takes you through the complete cold water systems and sanitary appliances content for Unit 307 of the 9289 City & Guilds Level 3 Diploma in Plumbing and Domestic Heating. This is Session 1 of the Phase 2 Unit 307 deep-dive — and it starts with a question every apprentice should be able to answer: what's the actual difference between a direct and indirect cold water system, and why does it change every installation decision you make? Chris covers: ✅ Direct cold water systems — how they work, pressure, pipe sizes, advantages and disadvantages ✅ Indirect cold water systems — CWSC capacity, pipe sizes (including the 22mm bath feed rule), pros and cons ✅ Hard water and water treatment — magnetic conditioners, water softeners, drinking water filters ✅ Sanitary appliance materials — vitreous china, acrylic, stainless steel…
People in this episode
Host: Chris Bailey
Topics covered
- cold water systems
- sanitary appliances
- plumbing apprenticeship
- direct and indirect systems
- water treatment
Keywords
- cold water systems
- sanitary appliances
- plumbing apprenticeship
- direct cold water systems
- indirect cold water systems
- water treatment
- sanitary appliance materials
Mentioned in this episode
Organizations: City & Guilds
Books & works: 9289 City & Guilds Level 3 Diploma in Plumbing and Domestic Heating
More episodes of The Copper Connection Podcast — Plumbing & Building Services Engineering
- Sign Your Name to It — Commissioning and Handover of Cold Water Systems | Unit 310 Phase 3
- Fill It, Test It, Flush It — Soundness Testing Central Heating Systems the Right Way | Unit 309 Phase 3
- Gas, Pressure & Why Your Boiler Does What It Does — Scientific Principles for Plumbing Apprentices | Unit 303 Phase 2
- The Law That Keeps You Alive — Health and Safety Legislation for Plumbing Apprentices | Unit 301 Session 1
- Phase 3 — The Final Core Phase: From Commissioning to Completion
- Phase 2 Master systems, science and installation best practice with building services engineering revision for construction students
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