I am looking to find some one that can tell me were I can obtain a glow worm space saver 80BR Mk ll heat exchanger part No.418551 helppppppp [email protected]

I can pull up no information on the Model number you provided, however you may contact Glow Worm direct by clicking on, http://www.glow-worm.co.uk/service/faqheating.asp and clicking the top tap to send a message. Good luck, Tom