Graham (the proper trainer) Collins top tip
Here's Graham with a top Training Tuesday tip on how you put the Baxi 600 Combi into the service function (commonly know as the chimney sweep mode) and how you would keep the boiler cool if all the radiators were already hot
Please note: This video is intended for Gas Safe registered engineers only and is subject to our full video disclaimer which can be found here:
www.baxi.co.uk/help-and-advice/video-disclaimer
