Why Is My Vaillant Boiler Losing Pressure?” — Expert Insight from a Notting Hill Gas Engineer
Waking up to a freezing kitchen in Notting Hill? If your Vaillant boiler keeps losing pressure, you're not alone. In this expert-led interview, Gas Safe engineer James Weston breaks down the real causes of pressure drops in London homes — from F22 fault codes to failing expansion vessels — and explains what you can do right now to avoid costly repairs. Learn how to protect your Vaillant EcoTEC boiler and stay warm through the West London winter.













