https://youtube.com/watch?v=Pxu_qyYCscE
How To Fault Find On A Boiler. Combi Boiler Repairs. Roy from Viva Training Academy shows us how to repair a combi boiler. https://youtube.com/playlist?list=PLTjtaS435JQ_KwaZPm8WwamJOVVtwbVPD
Fault Finding for trainee gas engineers. Trainee Plumber.