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The Copper Connection Podcast – Season 2, Episode 5
In this episode, we unlock the science behind plumbing by exploring the essential properties of water, other liquids, and gases used in UK systems. Whether it’s why pipes burst in the winter, how central heating fluids expand, or how trapped air in radiators causes inefficiency, we break down the principles that every apprentice plumber needs to understand.
This episode moves beyond the “how” of plumbing into the “why,” showing how physics and chemistry govern safe and efficient installations. Through practical examples—like expansion tanks, pressure calculations, and gas safety—you’ll see how science underpins every part of the trade.
- Explain the key physical properties of water (density, expansion, freezing, boiling, and specific heat capacity) and relate them to plumbing design and safety.
- Describe how other liquids such as heating inhibitors, glycols, and wastewater differ from water in terms of viscosity, pH, and chemical impact on systems.
- Understand the behaviour of gases (natural gas, LPG, air) including compressibility, diffusion, density, and gas laws such as Boyle’s and Charles’ Law.
- Apply scientific principles to practical plumbing situations, such as pipe sizing, expansion control, and pressure management in domestic systems.
- Link scientific knowledge to UK regulations and standards, including Water Regulations 1999, Building Regulations (Parts G & L), and Gas Safety Regulations.
- Appreciate how scientific principles directly impact safety, efficiency, and compliance in plumbing.
Whether you’re preparing for exams or working on site, this episode gives you practical insight into why materials behave the way they do — and how those behaviours shape the systems that keep buildings safe and functional.
🎧 Listen to the audio podcast:
👉 https://shows.acast.com/663884554e48ad001264210a/68bd42201af371182a4af644
📺 Watch the video podcast on YouTube:
👉 https://www.youtube.com/watch?v=TqbeXt0SVbA
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