Gurgling radiators. Water splashing. Cold rads. 🚨 This is where your plumbing knowledge actually pays off. In this clip from The Copper Connection Podcast, Chris breaks down REAL‑WORLD boiler troubleshooting: ✅ Pumping over ✅ Blocked cold feeds (dangerous if missed) ✅ Airlocks killing circulation ✅ Why pump speed, vent position, and balancing matter This isn’t textbook theory — this is what you’ll see on real call‑outs as an apprentice or newly qualified plumber. 🎧 Want the full breakdown with