Found at Lille Braderie.
An excellent illustration of what can happen to copper tube if it isn't adequately protected - vintage brass tap in dank basement wall. Note the advanced corrosion of the copper tube feeding it (blue) and the salty crust covering the render, juxtaposed with the fresh tube we fitted.
The original Vaillant water heater. Gorgeous.
Sludge is THE number 1 killer of boilers and central heating system components, AND a significant waste of energy - It clogs up radiators and stops them giving out heat. Here's some of what we've pulled out of central heating systems with the help of our powerful magnet.