Lesson 13
Sludge, Inhibitor & Filters
Recognise sludge, understand what inhibitor and magnetic filters do, and know what to ask before agreeing to a power flush.
Builds on
Nia’s radiator is twenty years old. With the heating on it’s hot along the top and down both ends, but cold in a patch along the bottom middle. Bleeding it gives only water.
What’s the likely cause?
Choose an option to commit your answer.