Fill It, Test It, Flush It — Soundness Testing Central Heating Systems the Right Way | Unit 309 Phase 3
About this episode
In this episode, Chris Bailey discusses soundness testing for central heating systems, covering essential techniques and standards.
he Copper Connection Podcast – Season 2, Episode 78, Fill It, Test It, Flush It — Soundness Testing Central Heating Systems the Right Way | Unit 309 Phase 3 Ever watched a customer's face when the pressure gauge holds steady after a two-hour soundness test? That's the moment the job goes from "nearly finished" to "properly done." In this episode, host Chris Bailey covers Unit 309 of the 9289 City & Guilds Level 3 Diploma in Plumbing and Domestic Heating Phase 3, Session 1: filling, venting, soundness testing, flushing, and chemically treating central heating systems. Chris covers: ✅ The seven information sources you need before touching a system — Water Regs 1999, Building Regs Part G and L, BS EN 806, BS 8558, BS EN 12828, BS EN 14336 ✅ Notifying the relevant person and the pre-fill visual inspection ✅ Staged filling, bleeding technique, and why overfilling triggers the pressure relief valve ✅ The BS EN 14336 soundness test standard — 30% above working pressure, minimum two hours ✅ The full 8-step preparation procedure and hydraulic testing method ✅ Cold flush, hot flush and power flush — what each one does and when to use it ✅ System additives: cleanser, descaler and…
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